23 Free PDF Tools
Choose Your PDF Tool
Every tool you need to work with PDF files — free, fast, and secure. No downloads required.
Merge PDF
Combine multiple PDFs into one file instantly.
Instant→Split PDF
Extract pages or split a PDF into multiple files.
Instant→Organize PDF
Reorder, delete, and rearrange pages with ease.
Instant→Compress PDF
Reduce PDF file size without losing quality.
Instant→Repair PDF
Fix damaged or corrupted PDF files.
Instant→PDF to PDF/A
Convert to ISO-compliant archival format.
Async→PDF to Word
Convert PDF to editable DOC/DOCX documents.
Async→Word to PDF
Turn Word documents into professional PDFs.
Async→PDF to PowerPoint
Convert PDF pages into editable PPT slides.
Async→PowerPoint to PDF
Save presentations as shareable PDF files.
Async→PDF to Excel
Extract tables from PDF into Excel spreadsheets.
Async→Excel to PDF
Convert spreadsheets into professional PDFs.
Async→PDF to JPG
Convert each PDF page to a high-quality image.
Instant→JPG to PDF
Turn one or more images into a PDF document.
Instant→HTML to PDF
Convert any webpage or HTML file into a PDF.
Instant→Watermark PDF
Add text or image watermarks to your PDF.
Instant→Rotate PDF
Rotate pages 90°, 180° or 270° in your PDF.
Instant→Crop PDF
Remove unwanted margins or crop specific areas.
Instant→Page Numbers
Add page numbers with custom placement and style.
Instant→Protect PDF
Password-protect your PDF with AES encryption.
Instant→Unlock PDF
Remove password protection from your PDF.
⚡Instant→Scan to PDF
Convert scanned images into searchable PDFs.
Async→OCR PDF
Extract text from scanned documents using AI.
AISimple 3-step process
How ThePDFNinja Works
Process any PDF file in under 60 seconds. No software to install, no account to create.
Upload your file
Drop your PDF or document into our secure uploader. Files are transferred via SSL encryption.
Process instantly
Our servers process your file in seconds. Configure any options like quality, page range, or password.
Download & done
Download your result immediately. Files are automatically deleted from our servers after 24 hours.
Why ThePDFNinja
Built for Privacy, Speed & Reliability
Trusted by thousands of users who need fast, private PDF processing without signing up.
100% Free Forever
Every tool on ThePDFNinja is completely free. No hidden fees, no premium tiers, no surprises.
Bank-Grade Security
All file transfers use 256-bit SSL encryption. Your documents are processed in isolated environments.
Auto-Delete in 24h
We never store your files. Every uploaded file is permanently deleted from our servers within 24 hours.
No Account Needed
Start converting immediately — no sign-up, no email, no tracking. Just upload and go.
Works Everywhere
ThePDFNinja works on any device — desktop, tablet, or mobile. No software to install, ever.
Powered by AWS
Built on Amazon Web Services infrastructure for blazing-fast processing and 99.9% uptime reliability.
Common questions
Frequently Asked Questions
Is ThePDFNinja really free?+
Yes, completely. All 23 PDF tools are free to use with no usage limits, no watermarks, and no account required. We are funded independently and committed to keeping this service free.
Is my data safe when I upload files?+
Absolutely. All file uploads are encrypted using 256-bit SSL/TLS. Files are processed in isolated server environments and automatically deleted from our servers within 24 hours. We never share or sell your data.
What is the maximum file size?+
You can upload files up to 100MB per file. For most documents, this is more than enough. If your file exceeds this, try compressing it first using our free Compress PDF tool.
Do I need to install any software?+
No. ThePDFNinja works entirely in your browser. There is nothing to download or install. It works on Windows, Mac, Linux, Android, and iOS.
How long does processing take?+
Most tools process files instantly in under 5 seconds. More complex operations like OCR, Word/Excel conversions, or large file compression may take 15–60 seconds.