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Free. No sign-up. Nothing uploaded.
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Edit your PDF online, for free.

Add text, sign, highlight, draw and manage pages — entirely in your browser. Your files never leave your device.

Drop your PDF here
No registration. Files are processed on your device only.
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Or jump straight to a tool
Add text to PDFSign PDFMerge PDFSplit PDFCompress PDFRotate PDFDelete pagesPDF to JPGJPG to PDF

How it works

Piddy runs entirely in your browser. When you open a file, it's read and edited on your own device using JavaScript — nothing is sent to a server. When you're done, the edited PDF is generated locally and downloaded straight to your computer.

Why private

Because your file never leaves your device, there's nothing to leak, store or lose. No account, no upload, no server-side copy of your document — ever.

Frequently asked questions

Is my PDF uploaded to a server?
No. Piddy opens and edits your PDF entirely inside your browser using JavaScript. The file never leaves your device.
Can I edit text that already exists in the PDF?
Piddy lets you add new text, annotations, images and signatures on top of your PDF. Editing the PDF's original native text is not supported.
Do I need to create an account?
No sign-up is required. Open a file and start editing right away.
Is it free?
Yes, Piddy is completely free to use, supported by ads.
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