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No. Everything runs in your browser using pdf.js for rendering and pdf-lib for editing. Your document never leaves your device.

Is the PDF editor free?

Yes. Free with no watermark and no signup.

Yes. Use the signature tool to draw your signature on any page. It is rasterised and stamped into the exported PDF.

Can I edit existing text?

You can overlay new text annotations on top of any page. Rewriting the original text inside a PDF requires the original fonts and is not supported for v1.

What's the file size limit?

Whatever your browser can hold in memory — typically up to a few hundred megabytes for most users.

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