PDF files are everywhere in modern workflows — from business contracts to academic papers. But Adobe Acrobat is expensive, and most free alternatives come with limitations. We've tested and ranked the best free PDF tools that actually deliver. Every tool on this list is completely free, works in your browser, and requires no signup.
Combine multiple PDF files into one document online. Free, fast, and secure PDF merger.
Combine scanned documents into a single file
Add your signature to PDF documents online. Type, draw, or upload your signature. Free, secure, and instant.
Sign contracts and agreements
Reduce PDF file size without losing quality. Free online PDF compressor with smart optimization.
Compress PDFs for email attachments
Split PDF into multiple files. Extract specific pages or split by page ranges. Free and instant.
Extract specific chapters from a book
Convert PDF to editable Word documents online. Free, accurate PDF to DOCX converter.
Edit a signed contract
Convert Word documents to PDF online. Free, fast DOCX to PDF converter with perfect formatting.
Share documents that cannot be edited
Convert PDF pages to high-quality JPG images. Free online PDF to image converter.
Convert presentation slides to images
Convert JPG, PNG, and other images to PDF. Combine multiple images into a single PDF document.
Combine scanned receipts into one file
Delete unwanted pages from PDF documents. Free online PDF page remover with preview.
Remove blank pages from scans
Protect PDFs with passwords or remove existing password protection. Free online PDF security tool.
Protect confidential contracts
For most users, ToolBox offers the most complete free PDF toolkit. If you need just one tool, pick the specific tool that matches your task — all are equally free and private.