Open · Home

WebPion Prism V4.7.6

Process your files locally without sending them elsewhere

Transform, clean, read, prepare and verify your files with ease. Everything happens on your device, without uploads, tracking or detours.

Your files. Your device. Zero knowledge.
Local processing No upload No tracking PDFImagesTXTZIP
Prism · the heart of WebPion

Process your files right here

Simple · Fast · Safe · Local

Drop your files here Images · PDF · TXT · JSON · Code · ZIP Processing happens in your browser. File contents are not uploaded.
♢ Local processing · Zero knowledge
Quick need

What do you want to do?

Choose your need. WebPion sends you straight to the right tool.

Already know the tool name? See all tools

What do you want to do?

Choose the tool that matches your need.

Koperateur / Kachouri ecosystem

In the same universe

WebPion sits within a set of complementary projects covering files, identity, privacy, auditing and digital presence.

You are here

WebPion Prism V4.7.6

File optimisation tools, local processing and privacy

Why does your file stay with you?

WebPion runs in your browser. Operations described as local run on your device, so the file content is not sent to WebPion.

Learn more →

A small idea that became a toolbox

On 30 November 2025, WebPion mainly converted images. Today Prism handles several file types, but the idea is unchanged: keep you in control.

Discover the story →

WebPion changelog

Important changes, architecture choices and known limitations are documented here.

Changelog →
Privacy, simply

No advertising, no profiling and no cross-site tracking. Your preferences and the items you choose to save remain on your device.

Details
WebPion

Privacy, simply

No advertising, no profiling and no cross-site tracking. Your preferences and the items you choose to save remain on your device.

Cookies

No advertising cookie on public pages. GPTO uses only a separate administrator session cookie.

Local storage

Theme, saved Flow/Prompt items and transfer workspace remain in your browser.

Aggregate measurement

First-party operational measurement without advertising, profiling or cross-site tracking.

Details