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Tools / PDFs / PDF Annotate & Edit

PDF Annotate & Edit

Add text, highlights, shapes, and signatures on top of any PDF — directly in your browser. No upload required.

⚡ Runs entirely in your browser — your PDF never leaves your device.

Drop a PDF here, or click to choose

PDF files up to 50 MB

💾 Draft restored — your previous annotations have been loaded.

Annotate
History
Zoom
Rendering…

Add Signature

Ink color
Signature preview
Signature preview

Related tools

FAQ

Is this tool free to use? ▼

You can start using this tool for free. Advanced limits, presets, and automation may be part of future paid plans.

What happens to my files? ▼

Runs expire automatically after a set time. A background cleanup job deletes both the metadata and associated files.

🔗 Related PDF tools 3 related tools

About PDF Annotate & Edit

Add review notes and visual markup to a PDF without sending the document to a remote conversion service. The browser editor lets you place text, highlights, shapes, freehand drawings, and signatures over individual pages, then export the annotated result.

Runs locally in your browser. The text you enter is not uploaded to CodeStorms.

→ Mark up a document during review. → Add a signature or short approval note. → Highlight passages and draw attention to corrections.

Related guides and workflows

📦 Supported formats 1 file types

PDF input → annotated PDF

❓ Frequently asked questions 2 answers

Processing happens locally in your browser. Your input is not uploaded to CodeStorms.

Yes. The tool runs from a modern web browser and requires no desktop installation.