Every PDF & image tool — right in your browser.

Merge, split, compress, convert PDF, images and Office files. Nothing uploads to a server — your files are processed on your own device.

100% private · files never leave your device
PDF Tools
Organise PDF
Image Tools
Office & Documents

Select files or drag & drop here
Working…
Done!

Free PDF & image tools that respect your privacy

ZS File Tools runs entirely inside your browser. Unlike most online converters, your files are never uploaded to a server — every merge, compression and conversion happens on your own device, so nothing leaves your phone or computer.

How it works

01
Pick a tool

Choose from PDF, organise or image tools.

02
Add your files

Drag & drop or select — they stay on your device.

03
Download

Get your result instantly, free.

Frequently asked questions

Are these tools free?

Yes. Every tool is free and runs in your browser, with no sign-up and no limits to start.

Do my files get uploaded?

No. Everything is processed inside your own browser. Your files are never uploaded, so they stay completely private.

Which tools are included?

PDF: merge, split, compress, rotate, delete pages, extract pages, page numbers, watermark, images to PDF and PDF to JPG. Images: compress, convert between JPG/PNG/WEBP, resize and crop.

Does it work on a phone?

Yes — it works on phones, tablets and desktops. Pick files, set options and download, all on your device.