PicZero · Local Image Toolbox
Convert, compress, crop and watermark — all inside your own browser. Your images never leave this device, from first open to final export.
Everything runs inside your browser
Zero uploads
Images are decoded, processed and exported inside your browser. The server never receives your files, so there is nothing to leak.
Zero limits
No cap on file count, runs or file size. No queue, no waiting, and no paid tier for capacity.
Zero residue
Working data lives in memory only. Close the tab and it is released immediately — no copies left behind.
Guide and FAQ
Frequently asked questions
Are my files uploaded to a server?
No. Everything in PicZero runs in your browser. Your images are never uploaded, and the server never touches your files.
Is it free? Are there any limits?
It is completely free, with no limits on the number of images, how often you use it, or file size. No account or sign-in is required.
Does it work on phones and computers?
Yes. It runs in modern browsers such as Chrome, Edge, Safari and Firefox, on phones, tablets and desktops.