Annotate PDF Online Free Online Tool
Annotate PDF pages with freehand drawing, highlights, text, shapes, arrows and visual notes in a live editor.
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What the Annotate PDF Online does
Annotate PDF pages with freehand drawing, highlights, text, shapes, arrows and visual notes in a live editor.
Annotate a PDF with text, freehand marks, highlights, arrows and shapes while reviewing every change on the page. The Annotate PDF Online shows the document information or page controls needed for this PDF operation instead of adding a preview where it would not help.
When to use the Annotate PDF Online
- Mark corrections and feedback during document review.
- Highlight study material and add explanatory arrows or shapes.
- Combine visual notes from several pages into one downloadable PDF.
How to use the Annotate PDF Online
- 1Choose a PDF and select drawing, highlight, text, shape or arrow tools.
- 2Annotate the required pages and adjust each selected item from Properties.
- 3Review the annotations, organize pages if needed and export the PDF.
Tips for the best Annotate PDF Online result
- Use high-contrast annotation colours, avoid covering important wording and keep related marks close to the content they explain.
- Use only the options that affect your intended result.
- Review the completed output before publishing, printing or deleting the original.
Encrypted, digitally signed, damaged, extremely large or feature-heavy PDFs may have browser limitations. Keep the original and verify page order, text, forms, links and visual layout in the completed file.
Annotate PDF Online frequently asked questions
Is this Annotate PDF Online free to use?
Yes. The Annotate PDF Online is free to use and does not require registration or software installation.
Is my information or file kept private?
Yes. The included file tool processes the selected file locally in your browser instead of uploading it to this website.
Does this tool work on mobile devices?
Yes. The tool has a responsive interface and works in current mobile and desktop browsers with JavaScript enabled.
Can I directly change text that is already inside the PDF?
This browser editor adds new visual content. To replace existing wording, cover it with Whiteout and place new text above it. Whiteout is a visual cover and is not secure redaction for confidential information.
Which PDF editing features are included?
You can add text, images, signatures, freehand drawing, highlights, rectangles, circles, lines, arrows, whiteout and web links. You can also reorder, rotate, duplicate, delete and insert pages or another PDF.