locally hosted web application that allows you to perform various operations on PDF files.
Cost / License
- Freemium
- Open Source
Application types
Platforms
- Mac
- Windows
- Online
- Self-Hosted
- Cloudron
- Docker Hub




The best open source alternative to Smallpdf is Stirling-PDF. If that doesn't suit you, our users have ranked more than 100 alternatives to Smallpdf and 14 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Smallpdf are BentoPDF, Signature PDF, Qpdf Tools and LibreSign.
locally hosted web application that allows you to perform various operations on PDF files.




BentoPDF is a PDF Toolkit that works fully offline with no sign ups. It's fast, secure and forever free. In an era where data is a commodity, we take a different approach. All processing for BentoPDF tools happens locally in your browser.



Free open-source web software for signing (alone or with others), organizing (merge, sort, rotate, delete, extract pages, ...), editing metadatas or compressing PDFs.







LibreSign is a web application for electronic signatures (e-Sign) that offer the possibility of signing documents online with security and agility.

A feature-rich, privacy-focused PDF app built with Jetpack Compose and Material 3. View, edit, and manage PDFs with 12 powerful tools including merge, split, compress, rotate, lock/unlock, and more. Supports bookmarks, table of contents, full-text search, and auto-scroll for...




Privacy-first, offline PDF editor for Android. Merge, split, compress, convert and annotate PDFs — 100% on-device, no internet required.




Portable PDF editor for field techs. View, annotate, merge, split, edit text, draw, sign, and print without an Adobe subscription or a phone-home. Single Windows EXE, ~6 MB zipped, no runtime install required.



Graphical interface for PDF compression, merging multiple files, rearranging and rotating pages, creating PDFs from images, converting PDFs to various image formats, as well as encrypting or decrypting documents. Enables batch processing and general editing tasks.




Offers more than 15 free, open-source web-based PDF tools for editing, conversion, merging, splitting, compressing, metadata removal, and password removal, with all client-side processing, no ads, no file size or batch limits, and no registration required.





