BanShow ToolsBanShow 工具箱

Free tools that run in your browser

Resize and compress images, convert formats, make GIFs and fill PDFs — without uploading a single file. Your photos, videos and documents never leave your device.

Browse the tools ↓

All tools

Image tools

Video & GIF tools

PDF tools

Why these tools are different

Private by design

Every tool runs 100 % in your browser using WebAssembly and Canvas. There is no server that receives your files — check the network tab if you like.

Free, with no limits

No sign-up, no watermarks, no “3 free conversions”. Because nothing runs on our servers, there is nothing to meter.

Target-size compression

Most compressors ask you to guess a quality slider. Ours takes the size you must hit — 20 KB, 100 KB, 1 MB — and finds the best quality that fits.

Questions people ask

Are these tools really free?

Yes — no account, no watermark, no conversion limit. The tools run on your own hardware, so there is no server bill to pass on to you.

How can they be free if nothing is uploaded?

That is exactly why they can be free: your browser does the work. The site is supported by light advertising on the informational pages.

Do the tools work offline?

After a tool page has loaded once, most tools keep working even if your connection drops — the processing code runs locally.

Which browsers are supported?

Current Chrome, Edge, Firefox and Safari. Chrome-based browsers have the best WebP/AVIF encoding support; Safari is needed for some HEVC video files.