OmniPDF
OmniPDF is a free, privacy-first PDF toolkit that runs entirely in your browser. It offers tools to merge, split, compress, convert, edit, summarize with AI, and transfer files peer-to-peer, with no uploads or data collection.
Key features
- ✓Browser-based processing – files never leave your device
- ✓AI summarizer and chat with PDF documents
- ✓Merge multiple PDFs and Word documents into one file
- ✓Split PDFs by extracting specific pages or dividing into smaller files
- ✓Compress PDFs with smart compression to reduce file size while maintaining quality
- ✓Convert PDFs to Word, Text, Images (JPG/PNG), and vice versa (Word, PPT to PDF)
- ✓PDF editor to reorder, delete, and rotate pages
- ✓P2P file transfer between devices without intermediate servers
Use cases
- →Combine several PDFs into a single document for a report or project
- →Reduce the file size of a large PDF for easier email attachment
- →Extract text from a scanned PDF for editing or copying
- →Convert a PowerPoint presentation to PDF for universal sharing
- →Get a quick AI-generated summary of a lengthy PDF document
Pricing
Free
$0
- · All tools included (merge, split, compress, convert, AI summarizer, editor, etc.)
- · No watermarks or ads
- · No file uploads – privacy guaranteed
OmniPDF is completely free with no paid tiers, ads, or watermarks.
Pros
- +Completely free – no premium tier, ads, or watermarks
- +Privacy-first: all processing happens locally in the browser, no file uploads
- +No account or sign-up required to use any tool
- +Fast, instant results due to client-side processing
Cons
- −Requires an internet connection to load the web app (no offline mode mentioned)
- −No information on file size limits (may be limited by browser memory)
- −Lacks advanced features like OCR or form filling
Positioning
- Core value: The ultimate PDF toolkit that is 100% free, private, and works instantly in your browser with AI-powered features.
- Ideal for: Everyone who works with PDFs, including students, professionals, and casual users.
- Product type: Web app
Frequently asked questions
Is my data secure? Do you store my files?
Yes, your data is secure because all processing happens in your browser. Files never leave your device, so no data is stored or uploaded.
Do I need to create an account?
No, you can use all tools without creating an account.
What file formats do you support?
OmniPDF supports PDF, Word (DOC/DOCX), PowerPoint (PPT/PPTX), images (JPG/PNG), and ZIP archives.
Are there file size limits?
There are no stated file size limits, but processing very large files may depend on your browser's available memory.
Can I use OmniPDF offline?
The website says browser-based processing requires loading the app online. There is no mention of an offline mode.
Is OmniPDF free?
Yes, OmniPDF is completely free with no paid plans, watermarks, or ads.
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