API Best.Free - cho nhà phát triển

Tự động hóa bất kỳ công cụ nào từ mã của bạn. Mỗi công cụ tương tác lộ ra một điểm cuối POST duy nhất trả về chính xác những gì ứng dụng web tạo ra.

Không có phím nào để bắt đầu

POST và đi. Giới hạn tốc độ mỗi IP; đăng nhập sau để có giới hạn cao hơn.

Giống như ứng dụng mạng

Điểm cuối chạy bộ xử lý tương tự - cùng một kết quả, không có bất ngờ.

Trong bộ nhớ, riêng tư

Tập tin được xử lý trong bộ nhớ và không bao giờ được lưu trữ trên đĩa.

Bắt đầu nhanh

Gửi POST tới bất kỳ điểm cuối công cụ nào bên dưới. Công cụ chế độ JSON lấy cơ thể JSON; công cụ tập tin lấy dữ liệu dạng đa phần. Phản hồi là tập tin hoàn thành hoặc kết quả JSON.

Điểm kết thúc (45)

https://best.free/api/tools/pdf-annotator/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/pdf-annotator/ \
  -F 'file=@document.pdf' \
  -F 'type=note' \
  -F 'text=Please review this section' \
  -F 'page=1' \
  -F 'x=72' \
  -F 'y=72' \
  -o annotated.pdf
Python
import requests

files = {"file": open("document.pdf", "rb")}
data = {"type": "note", "text": "Please review this section", "page": 1, "x": 72, "y": 72}

r = requests.post("https://best.free/api/tools/pdf-annotator/", files=files, data=data)
with open("annotated.pdf", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("type", "note");
fd.append("text", "Please review this section");
fd.append("page", 1);
fd.append("x", 72);
fd.append("y", 72);

const r = await fetch("https://best.free/api/tools/pdf-annotator/", { method: "POST", body: fd });
const blob = await r.blob();  // the annotated.pdf

https://best.free/api/tools/audio-converter/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/audio-converter/ \
  -F 'file=@track.wav' \
  -F 'format=mp3' \
  -o audio.mp3
Python
import requests

files = {"file": open("track.wav", "rb")}
data = {"format": "mp3"}

r = requests.post("https://best.free/api/tools/audio-converter/", files=files, data=data)
with open("audio.mp3", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("format", "mp3");

const r = await fetch("https://best.free/api/tools/audio-converter/", { method: "POST", body: fd });
const blob = await r.blob();  // the audio.mp3

https://best.free/api/tools/background-remover/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/background-remover/ \
  -F 'file=@portrait.jpg' \
  -o no-background.png
Python
import requests

files = {"file": open("portrait.jpg", "rb")}

r = requests.post("https://best.free/api/tools/background-remover/", files=files)
with open("no-background.png", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);

const r = await fetch("https://best.free/api/tools/background-remover/", { method: "POST", body: fd });
const blob = await r.blob();  // the no-background.png

https://best.free/api/tools/barcode-generator/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/barcode-generator/ \
  -H 'Content-Type: application/json' \
  -d '{"text": "0123456789012", "symbology": "code128"}'
Python
import requests

r = requests.post(
    "https://best.free/api/tools/barcode-generator/",
    json={"text": "0123456789012", "symbology": "code128"},
)
print(r.json())
JavaScript
const r = await fetch("https://best.free/api/tools/barcode-generator/", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ text: "0123456789012", symbology: "code128" }),
});
const data = await r.json();
console.log(data);

https://best.free/api/tools/csv-to-json/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/csv-to-json/ \
  -H 'Content-Type: application/json' \
  -d '{"text": "name,age\\nAda,36", "delimiter": ",", "header": true}'
Python
import requests

r = requests.post(
    "https://best.free/api/tools/csv-to-json/",
    json={"text": "name,age\nAda,36", "delimiter": ",", "header": True},
)
print(r.json())
JavaScript
const r = await fetch("https://best.free/api/tools/csv-to-json/", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ text: "name,age\nAda,36", delimiter: ",", header: true }),
});
const data = await r.json();
console.log(data);

https://best.free/api/tools/case-converter/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/case-converter/ \
  -H 'Content-Type: application/json' \
  -d '{"text": "hello world from best free"}'
Python
import requests

r = requests.post(
    "https://best.free/api/tools/case-converter/",
    json={"text": "hello world from best free"},
)
print(r.json())
JavaScript
const r = await fetch("https://best.free/api/tools/case-converter/", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ text: "hello world from best free" }),
});
const data = await r.json();
console.log(data);

https://best.free/api/tools/compress-pdf/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/compress-pdf/ \
  -F 'file=@document.pdf' \
  -o compressed.pdf
Python
import requests

files = {"file": open("document.pdf", "rb")}

r = requests.post("https://best.free/api/tools/compress-pdf/", files=files)
with open("compressed.pdf", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);

const r = await fetch("https://best.free/api/tools/compress-pdf/", { method: "POST", body: fd });
const blob = await r.blob();  // the compressed.pdf

https://best.free/api/tools/image-crop/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/image-crop/ \
  -F 'file=@photo.jpg' \
  -F 'x=0' \
  -F 'y=0' \
  -F 'width=400' \
  -F 'height=300' \
  -o cropped.png
Python
import requests

files = {"file": open("photo.jpg", "rb")}
data = {"x": 0, "y": 0, "width": 400, "height": 300}

r = requests.post("https://best.free/api/tools/image-crop/", files=files, data=data)
with open("cropped.png", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("x", 0);
fd.append("y", 0);
fd.append("width", 400);
fd.append("height", 300);

const r = await fetch("https://best.free/api/tools/image-crop/", { method: "POST", body: fd });
const blob = await r.blob();  // the cropped.png

https://best.free/api/tools/currency-converter/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/currency-converter/ \
  -H 'Content-Type: application/json' \
  -d '{"amount": 100, "from": "USD", "to": "EUR"}'
Python
import requests

r = requests.post(
    "https://best.free/api/tools/currency-converter/",
    json={"amount": 100, "from": "USD", "to": "EUR"},
)
print(r.json())
JavaScript
const r = await fetch("https://best.free/api/tools/currency-converter/", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ amount: 100, from: "USD", to: "EUR" }),
});
const data = await r.json();
console.log(data);

https://best.free/api/tools/document-converter/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/document-converter/ \
  -F 'file=@document.docx' \
  -F 'format=pdf' \
  -o document.pdf
Python
import requests

files = {"file": open("document.docx", "rb")}
data = {"format": "pdf"}

r = requests.post("https://best.free/api/tools/document-converter/", files=files, data=data)
with open("document.pdf", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("format", "pdf");

const r = await fetch("https://best.free/api/tools/document-converter/", { method: "POST", body: fd });
const blob = await r.blob();  // the document.pdf

https://best.free/api/tools/ebook-converter/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/ebook-converter/ \
  -F 'file=@book.mobi' \
  -F 'format=epub' \
  -o book.epub
Python
import requests

files = {"file": open("book.mobi", "rb")}
data = {"format": "epub"}

r = requests.post("https://best.free/api/tools/ebook-converter/", files=files, data=data)
with open("book.epub", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("format", "epub");

const r = await fetch("https://best.free/api/tools/ebook-converter/", { method: "POST", body: fd });
const blob = await r.blob();  // the book.epub

https://best.free/api/tools/favicon-maker/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/favicon-maker/ \
  -F 'file=@logo.png' \
  -o favicons.zip
Python
import requests

files = {"file": open("logo.png", "rb")}

r = requests.post("https://best.free/api/tools/favicon-maker/", files=files)
with open("favicons.zip", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);

const r = await fetch("https://best.free/api/tools/favicon-maker/", { method: "POST", body: fd });
const blob = await r.blob();  // the favicons.zip

https://best.free/api/tools/image-compressor/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/image-compressor/ \
  -F 'file=@photo.jpg' \
  -F 'quality=70' \
  -F 'format=jpg' \
  -o compressed.jpg
Python
import requests

files = {"file": open("photo.jpg", "rb")}
data = {"quality": 70, "format": "jpg"}

r = requests.post("https://best.free/api/tools/image-compressor/", files=files, data=data)
with open("compressed.jpg", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("quality", 70);
fd.append("format", "jpg");

const r = await fetch("https://best.free/api/tools/image-compressor/", { method: "POST", body: fd });
const blob = await r.blob();  // the compressed.jpg

https://best.free/api/tools/image-converter/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/image-converter/ \
  -F 'file=@photo.jpg' \
  -F 'format=png' \
  -o image.png
Python
import requests

files = {"file": open("photo.jpg", "rb")}
data = {"format": "png"}

r = requests.post("https://best.free/api/tools/image-converter/", files=files, data=data)
with open("image.png", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("format", "png");

const r = await fetch("https://best.free/api/tools/image-converter/", { method: "POST", body: fd });
const blob = await r.blob();  // the image.png

https://best.free/api/tools/image-enhancer/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/image-enhancer/ \
  -F 'file=@photo.jpg' \
  -F 'contrast=1.1' \
  -F 'color=1.15' \
  -o enhanced.png
Python
import requests

files = {"file": open("photo.jpg", "rb")}
data = {"contrast": 1.1, "color": 1.15}

r = requests.post("https://best.free/api/tools/image-enhancer/", files=files, data=data)
with open("enhanced.png", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("contrast", 1.1);
fd.append("color", 1.15);

const r = await fetch("https://best.free/api/tools/image-enhancer/", { method: "POST", body: fd });
const blob = await r.blob();  // the enhanced.png

https://best.free/api/tools/image-metadata/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/image-metadata/ \
  -F 'file=@photo.jpg' \
  -F 'action=read' \
  -o metadata.json
Python
import requests

files = {"file": open("photo.jpg", "rb")}
data = {"action": "read"}

r = requests.post("https://best.free/api/tools/image-metadata/", files=files, data=data)
with open("metadata.json", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("action", "read");

const r = await fetch("https://best.free/api/tools/image-metadata/", { method: "POST", body: fd });
const blob = await r.blob();  // the metadata.json

https://best.free/api/tools/image-optimizer/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/image-optimizer/ \
  -F 'file=@photo.jpg' \
  -o optimized.jpg
Python
import requests

files = {"file": open("photo.jpg", "rb")}

r = requests.post("https://best.free/api/tools/image-optimizer/", files=files)
with open("optimized.jpg", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);

const r = await fetch("https://best.free/api/tools/image-optimizer/", { method: "POST", body: fd });
const blob = await r.blob();  // the optimized.jpg

https://best.free/api/tools/image-resizer/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/image-resizer/ \
  -F 'file=@photo.jpg' \
  -F 'width=800' \
  -F 'height=600' \
  -F 'keep_aspect=True' \
  -o resized.png
Python
import requests

files = {"file": open("photo.jpg", "rb")}
data = {"width": 800, "height": 600, "keep_aspect": True}

r = requests.post("https://best.free/api/tools/image-resizer/", files=files, data=data)
with open("resized.png", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("width", 800);
fd.append("height", 600);
fd.append("keep_aspect", true);

const r = await fetch("https://best.free/api/tools/image-resizer/", { method: "POST", body: fd });
const blob = await r.blob();  // the resized.png

https://best.free/api/tools/image-sharpener/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/image-sharpener/ \
  -F 'file=@photo.jpg' \
  -F 'amount=150' \
  -F 'radius=2' \
  -o sharper.png
Python
import requests

files = {"file": open("photo.jpg", "rb")}
data = {"amount": 150, "radius": 2}

r = requests.post("https://best.free/api/tools/image-sharpener/", files=files, data=data)
with open("sharper.png", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("amount", 150);
fd.append("radius", 2);

const r = await fetch("https://best.free/api/tools/image-sharpener/", { method: "POST", body: fd });
const blob = await r.blob();  // the sharper.png

https://best.free/api/tools/image-vectorizer/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/image-vectorizer/ \
  -F 'file=@logo.png' \
  -F 'mode=color' \
  -o image.svg
Python
import requests

files = {"file": open("logo.png", "rb")}
data = {"mode": "color"}

r = requests.post("https://best.free/api/tools/image-vectorizer/", files=files, data=data)
with open("image.svg", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("mode", "color");

const r = await fetch("https://best.free/api/tools/image-vectorizer/", { method: "POST", body: fd });
const blob = await r.blob();  // the image.svg

https://best.free/api/tools/invoice-generator/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/invoice-generator/ \
  -H 'Content-Type: application/json' \
  -d '{"from": "Acme LLC", "to": "Client Co", "invoice_number": "INV-001", "items": "Design work | 10 | 75", "tax_rate": 8.5, "currency": "$"}'
Python
import requests

r = requests.post(
    "https://best.free/api/tools/invoice-generator/",
    json={"from": "Acme LLC", "to": "Client Co", "invoice_number": "INV-001", "items": "Design work | 10 | 75", "tax_rate": 8.5, "currency": "$"},
)
print(r.json())
JavaScript
const r = await fetch("https://best.free/api/tools/invoice-generator/", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ from: "Acme LLC", to: "Client Co", invoice_number: "INV-001", items: "Design work | 10 | 75", tax_rate: 8.5, currency: "$" }),
});
const data = await r.json();
console.log(data);

https://best.free/api/tools/jpg-to-pdf/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/jpg-to-pdf/ \
  -F 'files=@photo1.jpg' \
  -F 'files=@photo2.jpg' \
  -o images.pdf
Python
import requests

files = [("files", open(p, "rb")) for p in ["photo1.jpg", "photo2.jpg"]]

r = requests.post("https://best.free/api/tools/jpg-to-pdf/", files=files)
with open("images.pdf", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
for (const file of fileInput.files) fd.append("files", file);

const r = await fetch("https://best.free/api/tools/jpg-to-pdf/", { method: "POST", body: fd });
const blob = await r.blob();  // the images.pdf

https://best.free/api/tools/json-formatter/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/json-formatter/ \
  -H 'Content-Type: application/json' \
  -d '{"text": "{\"b\":2,\"a\":1}", "action": "format", "indent": 2, "sort": true}'
Python
import requests

r = requests.post(
    "https://best.free/api/tools/json-formatter/",
    json={"text": "{\"b\":2,\"a\":1}", "action": "format", "indent": 2, "sort": True},
)
print(r.json())
JavaScript
const r = await fetch("https://best.free/api/tools/json-formatter/", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ text: "{\"b\":2,\"a\":1}", action: "format", indent: 2, sort: true }),
});
const data = await r.json();
console.log(data);

https://best.free/api/tools/json-to-csv/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/json-to-csv/ \
  -H 'Content-Type: application/json' \
  -d '{"text": "[{\"name\":\"Ada\",\"age\":36}]"}'
Python
import requests

r = requests.post(
    "https://best.free/api/tools/json-to-csv/",
    json={"text": "[{\"name\":\"Ada\",\"age\":36}]"},
)
print(r.json())
JavaScript
const r = await fetch("https://best.free/api/tools/json-to-csv/", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ text: "[{\"name\":\"Ada\",\"age\":36}]" }),
});
const data = await r.json();
console.log(data);

https://best.free/api/tools/merge-pdf/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/merge-pdf/ \
  -F 'files=@file1.pdf' \
  -F 'files=@file2.pdf' \
  -o merged.pdf
Python
import requests

files = [("files", open(p, "rb")) for p in ["file1.pdf", "file2.pdf"]]

r = requests.post("https://best.free/api/tools/merge-pdf/", files=files)
with open("merged.pdf", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
for (const file of fileInput.files) fd.append("files", file);

const r = await fetch("https://best.free/api/tools/merge-pdf/", { method: "POST", body: fd });
const blob = await r.blob();  // the merged.pdf

https://best.free/api/tools/pdf-organizer/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/pdf-organizer/ \
  -F 'file=@document.pdf' \
  -F 'pages=3,1,2' \
  -F 'rotate=1:90,3:180' \
  -o organized.pdf
Python
import requests

files = {"file": open("document.pdf", "rb")}
data = {"pages": "3,1,2", "rotate": "1:90,3:180"}

r = requests.post("https://best.free/api/tools/pdf-organizer/", files=files, data=data)
with open("organized.pdf", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("pages", "3,1,2");
fd.append("rotate", "1:90,3:180");

const r = await fetch("https://best.free/api/tools/pdf-organizer/", { method: "POST", body: fd });
const blob = await r.blob();  // the organized.pdf

https://best.free/api/tools/pdf-form-filler/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/pdf-form-filler/ \
  -F 'file=@form.pdf' \
  -F 'fields={"full_name": "Jane Doe", "date": "2026-06-27"}' \
  -o filled.pdf
Python
import requests

files = {"file": open("form.pdf", "rb")}
data = {"fields": "{\"full_name\": \"Jane Doe\", \"date\": \"2026-06-27\"}"}

r = requests.post("https://best.free/api/tools/pdf-form-filler/", files=files, data=data)
with open("filled.pdf", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("fields", "{\"full_name\": \"Jane Doe\", \"date\": \"2026-06-27\"}");

const r = await fetch("https://best.free/api/tools/pdf-form-filler/", { method: "POST", body: fd });
const blob = await r.blob();  // the filled.pdf

https://best.free/api/tools/pdf-to-excel/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/pdf-to-excel/ \
  -F 'file=@report.pdf' \
  -o tables.xlsx
Python
import requests

files = {"file": open("report.pdf", "rb")}

r = requests.post("https://best.free/api/tools/pdf-to-excel/", files=files)
with open("tables.xlsx", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);

const r = await fetch("https://best.free/api/tools/pdf-to-excel/", { method: "POST", body: fd });
const blob = await r.blob();  // the tables.xlsx

https://best.free/api/tools/pdf-to-jpg/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/pdf-to-jpg/ \
  -F 'file=@document.pdf' \
  -F 'dpi=150' \
  -o pages-jpg.zip
Python
import requests

files = {"file": open("document.pdf", "rb")}
data = {"dpi": 150}

r = requests.post("https://best.free/api/tools/pdf-to-jpg/", files=files, data=data)
with open("pages-jpg.zip", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("dpi", 150);

const r = await fetch("https://best.free/api/tools/pdf-to-jpg/", { method: "POST", body: fd });
const blob = await r.blob();  // the pages-jpg.zip

https://best.free/api/tools/pdf-to-ppt/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/pdf-to-ppt/ \
  -F 'file=@document.pdf' \
  -F 'dpi=150' \
  -o slides.pptx
Python
import requests

files = {"file": open("document.pdf", "rb")}
data = {"dpi": 150}

r = requests.post("https://best.free/api/tools/pdf-to-ppt/", files=files, data=data)
with open("slides.pptx", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("dpi", 150);

const r = await fetch("https://best.free/api/tools/pdf-to-ppt/", { method: "POST", body: fd });
const blob = await r.blob();  // the slides.pptx

https://best.free/api/tools/pdf-to-word/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/pdf-to-word/ \
  -F 'file=@document.pdf' \
  -o document.docx
Python
import requests

files = {"file": open("document.pdf", "rb")}

r = requests.post("https://best.free/api/tools/pdf-to-word/", files=files)
with open("document.docx", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);

const r = await fetch("https://best.free/api/tools/pdf-to-word/", { method: "POST", body: fd });
const blob = await r.blob();  // the document.docx

https://best.free/api/tools/password-generator/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/password-generator/ \
  -H 'Content-Type: application/json' \
  -d '{"length": 20, "count": 5, "upper": true, "lower": true, "digits": true, "symbols": true}'
Python
import requests

r = requests.post(
    "https://best.free/api/tools/password-generator/",
    json={"length": 20, "count": 5, "upper": True, "lower": True, "digits": True, "symbols": True},
)
print(r.json())
JavaScript
const r = await fetch("https://best.free/api/tools/password-generator/", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ length: 20, count: 5, upper: true, lower: true, digits: true, symbols: true }),
});
const data = await r.json();
console.log(data);

https://best.free/api/tools/ppt-to-pdf/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/ppt-to-pdf/ \
  -F 'file=@deck.pptx' \
  -o slides.pdf
Python
import requests

files = {"file": open("deck.pptx", "rb")}

r = requests.post("https://best.free/api/tools/ppt-to-pdf/", files=files)
with open("slides.pdf", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);

const r = await fetch("https://best.free/api/tools/ppt-to-pdf/", { method: "POST", body: fd });
const blob = await r.blob();  // the slides.pdf

https://best.free/api/tools/qr-code-generator/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/qr-code-generator/ \
  -H 'Content-Type: application/json' \
  -d '{"text": "https://best.free", "size": 10, "ec": "M"}'
Python
import requests

r = requests.post(
    "https://best.free/api/tools/qr-code-generator/",
    json={"text": "https://best.free", "size": 10, "ec": "M"},
)
print(r.json())
JavaScript
const r = await fetch("https://best.free/api/tools/qr-code-generator/", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ text: "https://best.free", size: 10, ec: "M" }),
});
const data = await r.json();
console.log(data);

https://best.free/api/tools/resume-builder/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/resume-builder/ \
  -H 'Content-Type: application/json' \
  -d '{"name": "Ada Lovelace", "title": "Software Engineer", "email": "ada@example.com", "summary": "Backend engineer with 8 years experience.", "experience": "Senior Engineer, Acme (2020-2026)", "education": "BSc Computer Science", "skills": "Python, Django, PostgreSQL"}'
Python
import requests

r = requests.post(
    "https://best.free/api/tools/resume-builder/",
    json={"name": "Ada Lovelace", "title": "Software Engineer", "email": "ada@example.com", "summary": "Backend engineer with 8 years experience.", "experience": "Senior Engineer, Acme (2020-2026)", "education": "BSc Computer Science", "skills": "Python, Django, PostgreSQL"},
)
print(r.json())
JavaScript
const r = await fetch("https://best.free/api/tools/resume-builder/", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ name: "Ada Lovelace", title: "Software Engineer", email: "ada@example.com", summary: "Backend engineer with 8 years experience.", experience: "Senior Engineer, Acme (2020-2026)", education: "BSc Computer Science", skills: "Python, Django, PostgreSQL" }),
});
const data = await r.json();
console.log(data);

https://best.free/api/tools/image-rotate/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/image-rotate/ \
  -F 'file=@photo.jpg' \
  -F 'angle=90' \
  -F 'flip=none' \
  -o rotated.png
Python
import requests

files = {"file": open("photo.jpg", "rb")}
data = {"angle": 90, "flip": "none"}

r = requests.post("https://best.free/api/tools/image-rotate/", files=files, data=data)
with open("rotated.png", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("angle", 90);
fd.append("flip", "none");

const r = await fetch("https://best.free/api/tools/image-rotate/", { method: "POST", body: fd });
const blob = await r.blob();  // the rotated.png

https://best.free/api/tools/svg-to-png/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/svg-to-png/ \
  -F 'file=@image.svg' \
  -F 'format=png' \
  -F 'scale=1' \
  -o image.png
Python
import requests

files = {"file": open("image.svg", "rb")}
data = {"format": "png", "scale": 1}

r = requests.post("https://best.free/api/tools/svg-to-png/", files=files, data=data)
with open("image.png", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("format", "png");
fd.append("scale", 1);

const r = await fetch("https://best.free/api/tools/svg-to-png/", { method: "POST", body: fd });
const blob = await r.blob();  // the image.png

https://best.free/api/tools/pdf-sign/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/pdf-sign/ \
  -F 'file=@contract.pdf' \
  -F 'signature=@signature.png' \
  -F 'text=Jane Doe' \
  -F 'page=1' \
  -F 'x=350' \
  -F 'y=680' \
  -F 'width=160' \
  -o signed.pdf
Python
import requests

files = {"file": open("contract.pdf", "rb"), "signature": open("signature.png", "rb")}
data = {"text": "Jane Doe", "page": 1, "x": 350, "y": 680, "width": 160}

r = requests.post("https://best.free/api/tools/pdf-sign/", files=files, data=data)
with open("signed.pdf", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("signature", fileInput.files[0]);
fd.append("text", "Jane Doe");
fd.append("page", 1);
fd.append("x", 350);
fd.append("y", 680);
fd.append("width", 160);

const r = await fetch("https://best.free/api/tools/pdf-sign/", { method: "POST", body: fd });
const blob = await r.blob();  // the signed.pdf

https://best.free/api/tools/split-pdf/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/split-pdf/ \
  -F 'file=@document.pdf' \
  -F 'pages=1-3,5' \
  -F 'mode=extract' \
  -o split.pdf
Python
import requests

files = {"file": open("document.pdf", "rb")}
data = {"pages": "1-3,5", "mode": "extract"}

r = requests.post("https://best.free/api/tools/split-pdf/", files=files, data=data)
with open("split.pdf", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("pages", "1-3,5");
fd.append("mode", "extract");

const r = await fetch("https://best.free/api/tools/split-pdf/", { method: "POST", body: fd });
const blob = await r.blob();  // the split.pdf

https://best.free/api/tools/url-shortener/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/url-shortener/ \
  -H 'Content-Type: application/json' \
  -d '{"url": "https://example.com/a/very/long/path"}'
Python
import requests

r = requests.post(
    "https://best.free/api/tools/url-shortener/",
    json={"url": "https://example.com/a/very/long/path"},
)
print(r.json())
JavaScript
const r = await fetch("https://best.free/api/tools/url-shortener/", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ url: "https://example.com/a/very/long/path" }),
});
const data = await r.json();
console.log(data);

https://best.free/api/tools/unit-converter/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/unit-converter/ \
  -H 'Content-Type: application/json' \
  -d '{"category": "length", "value": 10, "from": "mi", "to": "km"}'
Python
import requests

r = requests.post(
    "https://best.free/api/tools/unit-converter/",
    json={"category": "length", "value": 10, "from": "mi", "to": "km"},
)
print(r.json())
JavaScript
const r = await fetch("https://best.free/api/tools/unit-converter/", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ category: "length", value: 10, from: "mi", to: "km" }),
});
const data = await r.json();
console.log(data);

https://best.free/api/tools/pdf-unlock/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/pdf-unlock/ \
  -F 'file=@protected.pdf' \
  -F 'action=remove' \
  -F 'password=currentpass' \
  -F 'new_password=newpass' \
  -o unlocked.pdf
Python
import requests

files = {"file": open("protected.pdf", "rb")}
data = {"action": "remove", "password": "currentpass", "new_password": "newpass"}

r = requests.post("https://best.free/api/tools/pdf-unlock/", files=files, data=data)
with open("unlocked.pdf", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("action", "remove");
fd.append("password", "currentpass");
fd.append("new_password", "newpass");

const r = await fetch("https://best.free/api/tools/pdf-unlock/", { method: "POST", body: fd });
const blob = await r.blob();  // the unlocked.pdf

https://best.free/api/tools/video-converter/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/video-converter/ \
  -F 'file=@clip.mov' \
  -F 'format=mp4' \
  -o video.mp4
Python
import requests

files = {"file": open("clip.mov", "rb")}
data = {"format": "mp4"}

r = requests.post("https://best.free/api/tools/video-converter/", files=files, data=data)
with open("video.mp4", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
fd.append("file", fileInput.files[0]);
fd.append("format", "mp4");

const r = await fetch("https://best.free/api/tools/video-converter/", { method: "POST", body: fd });
const blob = await r.blob();  // the video.mp4

https://best.free/api/tools/word-counter/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/word-counter/ \
  -H 'Content-Type: application/json' \
  -d '{"text": "Paste any text here to count it."}'
Python
import requests

r = requests.post(
    "https://best.free/api/tools/word-counter/",
    json={"text": "Paste any text here to count it."},
)
print(r.json())
JavaScript
const r = await fetch("https://best.free/api/tools/word-counter/", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ text: "Paste any text here to count it." }),
});
const data = await r.json();
console.log(data);

https://best.free/api/tools/archive-zip/ mở công cụ →
cURL
curl -X POST https://best.free/api/tools/archive-zip/ \
  -F 'files=@file1.txt' \
  -F 'files=@file2.txt' \
  -F 'level=6' \
  -F 'name=archive' \
  -o archive.zip
Python
import requests

files = [("files", open(p, "rb")) for p in ["file1.txt", "file2.txt"]]
data = {"level": 6, "name": "archive"}

r = requests.post("https://best.free/api/tools/archive-zip/", files=files, data=data)
with open("archive.zip", "wb") as out:
    out.write(r.content)
JavaScript
const fd = new FormData();
for (const file of fileInput.files) fd.append("files", file);
fd.append("level", 6);
fd.append("name", "archive");

const r = await fetch("https://best.free/api/tools/archive-zip/", { method: "POST", body: fd });
const blob = await r.blob();  // the archive.zip

Cần giới hạn cao hơn, xử lý hàng loạt hay một chìa khóa riêng?Liên hệ với chúng tôi.

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