Edit PDF
Edit your PDFs with a full-featured editor. Add text, draw, highlight, annotate, stamp, sign, and redact - all in your browser.
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Instant Processing
Browser-Based
PDF Editor to Edit PDF in PDFSub
Features
Add text anywhere on the page
Draw freehand with pen tool
Highlight important sections
Insert shapes and arrows
Add sticky notes and comments
Sign with signature tool
Stamp with Approved, Draft, etc.
Redact sensitive information
Add interactive form fields
How It Looks
Annotate
Highlight
Stamp
Sign
Redact
Form Fields
How It Works
1
Upload your PDF document
2
Select your editing tool from the toolbar
3
Click or drag on the page to add annotations
4
Download your edited PDF
Common Use Cases
Annotating contracts before signing
Adding notes to research papers
Marking up design documents for review
Redacting sensitive information
Adding signatures to agreements
Highlighting key passages in reports
Frequently Asked Questions
Does editing happen in my browser?
Yes, all editing is done client-side in your browser. Your PDF never leaves your device during editing.
What tools are available?
The editor includes text, draw, highlight, shapes, arrows, sticky notes, signatures, stamps, redact, and image tools.
Can I undo changes?
Yes, the editor has full undo/redo support. Use Ctrl+Z to undo and Ctrl+Y to redo any change.
Are annotations permanent?
Once you export the PDF, annotations are embedded into the document. They become part of the visual content.
Can I save annotation templates?
Yes, you can save your annotations as templates and apply them to other documents for consistent markup.
Is there a page limit?
No, the editor works with PDFs of any length. You can navigate between pages and annotate each one individually.