OneTools
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Edit PDF Online

Add text, images, signatures, highlights, drawings and shapes to your PDF directly in your browser.

Processed in your browserFiles stay on your device.No sign-up requiredStart using the tool immediately.

Your PDF is processed in your browser and is not uploaded to our servers.

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Annotate PDFAdd text, highlights, drawings and shapes to your PDF directly in your browser.Sign PDFDraw or upload your signature, place it anywhere on your PDF and download the signed document directly from your browser.Add Text to PDFAdd and position text anywhere on your PDF directly in your browser.

How it works

  1. 1Choose a PDFOpen a PDF locally in the visual editor. Your original file stays unchanged.
  2. 2Add visual editsPlace text, images, signatures, drawings, highlights, whiteouts and shapes on any page.
  3. 3Export your PDFApply the overlays to a new PDF and download it without uploading the document.

Why use OneTools

  • Complete visual toolkitWrite on PDFs and add images, signatures, freehand drawing, highlights, cover areas and basic shapes.
  • Multi-page editingMove between page thumbnails while every element remains attached to its correct page.
  • Private browser processingLoading, editing and PDF export happen locally in your browser with no processing server.
  • Undo and redoReverse document edits without putting zoom and other interface preferences into document history.
  • Accurate PDF coordinatesElements use page-point coordinates independent of screen size and zoom level.
  • Non-destructive workflowThe original PDF is never changed; every export starts from the original and current overlay state.

Frequently asked questions

Can I directly rewrite existing PDF text?

No. This is a visual PDF editor, not a Word-style content editor. Cover existing content with Whiteout and place new text above it when you need a visual replacement.

Is my PDF uploaded?

No. The PDF is loaded, edited and exported inside your browser.

Can I edit more than one page?

Yes. Select pages from the thumbnail sidebar and add independent elements to each page.

Does zoom change the exported placement?

No. Zoom changes only the editor viewport. Stored positions remain in PDF page points.

Does exporting modify my original file?

No. Export creates a separate file with -edited added to its name.

Which images can I add?

PNG and JPEG images are supported, including transparent PNG signatures.

Popular use cases

  • Add text or notes to a PDF
  • Sign a document visually
  • Cover old content and place replacement text
  • Highlight important areas
  • Add a logo or supporting image
  • Draw and annotate PDF pages

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