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106 free online PDF tools · PDF API for developers

Online PDF tools
free in your browser

Search merge, split, compress, convert, watermark, and secure PDF tools. Web tools run free in your browser; the PDF API is available with pay-as-you-go Credits.

⌘K
Deskew PDFAutomatically straighten scanned or tilted PDF pages. Fix skewed documents with precision angle detection.Change Text ColorChange text color in PDF documents. Modify the color of all text content.Scan Documents to PDF OnlineScan paper documents to clean multi-page PDFs online. Auto crop, straighten, enhance text, and export PDF directly in your browser. No upload required in local mode.Posterize PDFSplit large PDF pages into printable tiles. Create posters from PDF pages.
Merge PDFCompress PDFPDF to WordWord to PDFSplit PDF
Local-first web toolsFree browser tools11 languagesCredits API

Browse by category

Category entry points for common PDF tasks

Edit & Annotate

18

Add text, images, highlights & comments to PDFs

Convert to PDF

29

Turn Word, Excel, images & more into PDFs

Convert from PDF

15

Export PDF to DOCX, XLSX, images & text

Organize & Manage

25

Merge, split, reorder and extract pages

Optimize & Repair

10

Compress, fix and optimize PDF file size

Secure PDF

9

Password protect, sign & redact documents

Popular tools

Popular free PDF tools

Merge PDF

Combine multiple PDF files into one document. Free online PDF merger with drag-and-drop reordering.

Organize & Manage

Split PDF

Split PDF files into multiple documents. Extract specific pages or divide by page ranges.

Organize & Manage

Compress PDF

Reduce PDF file size while maintaining quality. Free online PDF compressor for smaller files.

Optimize & Repair

Edit PDF

Edit PDF files online. Add text, images, annotations, highlights, and shapes to your documents.

Edit & Annotate

JPG to PDF

Convert JPG images to PDF. Combine multiple JPG files into a single PDF document.

Convert to PDF

PDF to JPG

Convert PDF pages to JPG images. High-quality extraction with customizable resolution.

Convert from PDF

Sign PDF

Add electronic signatures to PDF documents. Draw, type, or upload your signature.

Edit & Annotate

Encrypt PDF

Password protect PDF files. Add encryption and set permissions.

Secure PDF

Free web tools, paid API

Private PDF work, flexible automation

Use browser PDF tools for free. When you need server-side automation, call the PDF API and pay only for Credits used.

Private browser processing

Web tools process files locally in your browser with WebAssembly. Your documents are not uploaded for normal website use.

Free website tools

Everyday PDF tasks are free on the website, with no subscription required for browser-based use.

106 Tools and API endpoints

Merge, split, compress, convert, watermark, page numbers, form filling, and developer API workflows.

Simple Process

Process a PDF in 3 steps

1

Choose a tool

Pick from free web tools or search by workflow

2

Open your file

Browser tools keep files on your device; API calls process submitted files for automation

3

Download result

Download in the browser or receive API results for your app

FAQ

Frequently asked questions

Have more questions? Visit our full FAQ page

Start with free PDF tools

Use browser-based PDF tools for everyday work. Sign in when you need API keys, Credits, and automated PDF workflows.

Browse free tools