AIEIO PDF
🔒 Private by design · no sign-up · no limits

Every PDF tool,
right in your browser.

Merge, split, convert, sign, compress and protect your PDFs in seconds - no sign-up, no watermark. Most tools run right in your browser, so your files never get uploaded.

Browse all toolsRead the guides
16 tools

Pick a tool to get started

Green tools run in your browser and never upload. Blue tools use a secure server step and delete your file straight after.

private

Merge PDF

Combine PDFs in the order you want.

 private

Split PDF

Extract pages or break a PDF into pieces.

 server

Compress PDF

Shrink PDF size while keeping it readable.

 private

PDF to JPG

Turn each PDF page into an image.

 private

JPG to PDF

Make a PDF from JPG or PNG images.

 private

Rotate PDF

Fix sideways or upside-down pages.

 private

Organize PDF

Reorder, delete and rotate pages visually.

 private

Page numbers

Add page numbers anywhere on the page.

 private

Watermark PDF

Stamp text like DRAFT or CONFIDENTIAL.

 private

Sign PDF

Draw, type or upload a signature and place it.

 server

Protect PDF

Add a password to open your PDF.

 server

Unlock PDF

Remove a password you already know.

 private

Extract pages

Keep only the pages you pick.

 private

Edit metadata

Change a PDF’s title, author and keywords.

 private

PDF to HTML

Turn a PDF into a web page.

 private

HTML page builder

Design pages and export HTML or PDF.
Why AIEIO PDF

Built for privacy and speed

🔒

Your files stay yours

Most tools process PDFs locally in your browser. No upload, no server copy, no snooping - perfect for contracts, IDs and anything sensitive.

⚡

Instant, no queue

Because the work happens on your device, there is nothing to wait in line for. No accounts, no daily caps, no watermark.

📴

Works offline

Install it once and the in-browser tools keep working with no connection - handy on a plane or a patchy signal.

🆓

Free, forever

Every tool is free with no sign-up. We built it because good PDF tools shouldn’t cost your privacy or your inbox.

FAQ

Common questions

Are my files really private?
For most tools, yes - merging, splitting, rotating, converting and editing all happen inside your browser using JavaScript. Your file never travels to a server. Only Compress, Protect and Unlock use a server tool (they need one), and those files are deleted the instant they are processed.
Is it free? Do I need an account?
Everything is free and there is no sign-up, no email, no watermark on your files, and no daily limit.
Does it work on my phone?
Yes. It works in any modern browser on phone, tablet or computer, and you can install it as an app for one-tap access and offline use.
Is there a file size limit?
The in-browser tools have no upload cap - the only limit is your device’s memory. The three server tools accept files up to 100 MB.
What happened to my original file?
It is untouched. Every tool produces a new file for you to download; your source file is never modified or kept.

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