Complete PDF Solutions, 100% Free & Secure
All the tools you need to edit, compress, merge, protect, and convert PDFs. Processed directly in your browser— your files are never permanently kept on our servers for maximum privacy.
Organize PDF
Organize, merge, split, and manage your PDF document pages.
Merge PDF
Combine multiple PDF files into one single document.
Split PDF
Extract specific pages or split PDF into multiple files.
Remove Pages
Delete unwanted pages from your PDF document.
Extract Pages
Extract specific pages from PDF into a new file.
Organize PDF
Reorder, rotate, or rearrange pages of your PDF.
Scan to PDF
Take pictures from your device camera and convert them to PDF.
Convert PDF
Convert images, documents, and web pages to high-quality PDF format.
Convert PDF
Extract PDF elements into Office documents or images.
Optimize & Security
Modify visual pages, add watermarks, numbers, or annotations.
Rotate PDF
Rotate one or all PDF pages to the correct orientation.
Page Numbers
Add page numbers automatically with layout options.
Add Watermark
Add text or image watermark to secure copyright.
Crop PDF
Trim margins or crop specific area on PDF pages.
Edit PDF
Add text, images, shapes, or drawings on top of PDF document.
PDF Forms
Fill interactive PDF forms or create new ones.
OCR PDF
Convert scanned documents and images into searchable PDF text.
Repair PDF
Fix corrupted or damaged PDF files automatically.
Optimize & Security
Lock, unlock, protect, sign, or compare your PDF documents.
Unlock PDF
Remove password encryption so the PDF can be accessed freely.
Protect PDF
Secure PDF by encrypting it with a password.
Sign PDF
Draw or upload digital signature on PDF pages.
Redact PDF
Sanitize sensitive info with permanent black boxes.
Compare PDF
Compare text or visual differences between two PDF documents.
AI Features
Harness the power of AI to analyze your documents.
Ask PDF
Interactive AI chat to ask questions and extract insights from your PDF.
AI Summarizer
Create instant summaries of long PDF documents using AI.
Translate PDF
Translate PDF content to different languages quickly.
PDF to Markdown
Extract PDF structure into clean Markdown (.md) format.
Why Choose U PDF?
All PDF tools are 100% free, work directly in your browser, and never upload your files to any server. No sign up, no watermark, no limits.
Privacy Protected
Your files are processed directly in your local browser. No data security leakage concerns.
Fast & Free
Instant processing without queue limits. No account registration or monthly subscription required.
High Quality
Uses industrial-grade rendering libraries to keep text, fonts, and images sharp.
Most Popular Free PDF Tools
Quick access to the most searched PDF tools — compress, merge, convert, and edit PDFs online free without any sign up.