The Future of
PDF Editing
is Open Source
We're building the world's most powerful open source PDF editor. Join thousands of developers who believe PDF editing should be free, customizable, and owned by the community.
Experience the Magic
See our annotation features in action. This is just the beginning of what's possible.
Available Right Now
These powerful annotation features are ready to use today
Text Highlighting
Mark important text with colorful highlights for better document organization.
Text Underline
Emphasize text with clean underlines in various colors and styles.
Ink Annotations
Draw freehand annotations with natural pen-like strokes.
Strikeout Text
Cross out text with professional strikethrough annotations.
Squiggly Lines
Add wavy underlines to indicate errors or suggestions.
Circle Annotations
Draw circles to highlight specific areas or call attention to content.
Rectangle Annotations
Create rectangular shapes for structured highlighting and emphasis.
Line Annotations
Draw straight lines for connecting ideas and creating visual relationships.
Join the Revolution
Be part of building the world's most powerful open source PDF editor
Coming Very Soon
The next wave of features we're actively developing
Free Text Annotation
Add floating text boxes anywhere on the document with custom fonts and styling.
Stamp Annotation
Apply pre-designed stamps like "Approved", "Confidential", or create custom stamps.
Signature Annotation
Add digital signatures with drawing, typing, or uploading signature images.
File Attachment
Attach files, images, or documents directly to specific locations in the PDF.
Text Redaction
Permanently remove sensitive information with secure black-out blocks.
Inline Text Editing
Edit text directly in the PDF with full formatting and font support.
Become the #1
Open Source PDF Editor
We're not just building another PDF editor. We're creating a movement. A world where powerful document editing belongs to everyone, not locked behind expensive licenses. Join us in making PDF editing free, powerful, and accessible to all.
Community First
Built by developers, for developers
Always Free
MIT licensed, no strings attached
Blazing Fast
Performance that puts others to shame
Help Us Build the Future
Whether you're a developer, designer, or just passionate about open source, there's a place for you in our community. Let's build something amazing together!
Contribute Code
Help us build new features and fix bugs
Design & UX
Make our editor beautiful and intuitive
Community
Help others and spread the word
Testing
Find bugs and suggest improvements
Discord Chat
Join our community discussions