FREE · NO SIGNUP · 20+ TOOLS

Annotate a PDF. Highlights, comments.

Annotation is about marking up a PDF without changing the underlying content — adding highlights, comments, and shapes that live on their own layer. On the roadmap for 2026 Q3. For flatten-into-content workflows, use the flatten tool today.

Merge & Combine
Merge PDF files online
Merge two or more PDF files into one.
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Free PDF merger online
Combine PDF files into one document.
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Combine PDF files online
Combine multiple PDF files into a single document.
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JPG to PDF
Convert JPG, JPEG, or PNG images into a single PDF.
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PNG to PDF
Convert PNG images to PDF without quality loss.
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Compress & Optimise
Compress PDF online
Shrink a PDF by 40–72% without losing quality.
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Free PDF compressor online
Shrink PDFs by 40–72% with our free online PDF compressor.
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Split & Extract
Split a PDF
Split a PDF into individual pages, fixed-size chunks, or named page ranges.
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Extract pages from a PDF
Extract specific pages from a PDF into a new file.
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Delete pages from a PDF
Remove specific pages from a PDF.
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Reorder PDF pages
Reorder pages within a PDF by specifying the new sequence.
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Convert
PDF to JPG
Convert every page of a PDF into a JPG image.
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PDF to PNG
Convert PDF pages to lossless PNG images.
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PDF to text
Extract plain text from a PDF.
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Protect & Watermark
Password-protect a PDF
Add password protection to a PDF.
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Unlock a PDF
Remove a password from a PDF you own.
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Watermark a PDF
Add a text watermark to every page of a PDF.
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Page Tools
Rotate a PDF
Rotate PDF pages 90°, 180°, or 270° — the whole document or a specific page range.
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Add page numbers to PDF
Stamp clean page numbers on every page of a PDF.
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Number PDF pages
Add page numbers to every page of a PDF.
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Sign & Send (SignBolt)
Sign a PDF online
Legally-binding PDF signatures with eSIGN Act and ESIGN-AU compliance.
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QUESTIONS
When does this ship?+

2026 Q3. Annotation needs a proper UI (tool palette, colour picker, layer management) so it gets its own sprint.

How is this different from flatten?+

Annotate adds layered, editable markup. Flatten merges those annotations permanently into the page content so they can’t be removed.