Compare · PDF editor

Edit and sign a PDF without an account

The popular free PDF toolkits are built around a long menu of one-job utilities: merge, split, compress, convert, sign. They're fast and they're well made. The catch is uniform across all of them — the file goes to a server, and past a small free allowance you need an account. Here's how a browser-only editor compares, and where the toolkit still wins.

	Free PDF toolkits	Ziyarex PDF editor
Sign-up to use it properly	Usually, past the free allowance	Never
File leaves your device	Yes, that's how it works	No
Watermarks on the free tier	Sometimes	None
Breadth of utilities	Very wide: merge, split, compress, convert	Narrow: edit, sign, redact, reorder
Rewriting text already in the PDF	Varies by tool	Yes, in place
Filling in form fields	Yes	Yes
Merging many files at once	Yes, and it's the thing they're best at	Limited
Handling a 200MB scan	Fine, it's their server's problem	Depends on your machine's memory
Mobile apps	Yes	No, the web page only
Price	Free tier, then a subscription	Free

Pick theirs if…

You want the whole Swiss-army menu — batch merging, heavy compression, format conversion — or you're working on a very large file from a weak laptop, where letting a server carry it is genuinely the better engineering.

Pick ours if…

You want to edit, sign or redact one document right now, without making an account, and without a copy of it existing anywhere but your own machine.

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The thinking behind it

We wrote the guides first and built the tool because we kept needing it.

Guide · 6 minHow to sign a PDF without uploading it anywhereThe documents that need signing are exactly the ones you shouldn't hand to a free converter site. Every way to sign one locally, on every platform.