Every time you use an online tool—whether it’s to compress an image, edit a PDF, or format JSON—you’re probably uploading your files to a server somewhere.

Most people don’t think twice about it.

But you probably should.

When you upload a file to a typical web tool:

Your data leaves your device

It gets processed on a remote server

You have no real control over what happens next

Even if the site says “we don’t store your files”, you’re still trusting them blindly.

For things like:

personal documents

contracts

screenshots

API responses

internal data

That’s… not ideal.

Modern browsers are way more powerful than most people realize.

With technologies like WebAssembly and advanced JavaScript APIs, it’s now possible to:

Compress images

Edit PDFs

Format JSON

Generate QR codes

…all directly in your browser, without uploading anything.

Your files never leave your device.

I got tired of constantly uploading files to random tools, so I started building my own.

The goal was simple:

Make tools…