katlab — free, privacy-first web tools

katlab builds small, privacy-first web tools. No accounts, no tracking, free — everything runs in your browser and your data never leaves your device.

katlab.cv — free, ATS-friendly CV & cover-letter builder

Our flagship tool. Build a clean, ATS-friendly CV or resume, plus cover letters, recommendation letters, thank-you notes, and reference sheets. No sign-up, no cloud, free PDF export. Open katlab.cv, the free CV builder.

katlab tools — free, privacy-first web utilities

A small suite of free web tools that run entirely in your browser — no uploads, no accounts, no tracking. Includes a zip & unzip tool, an image converter (PNG, JPG, WebP), and a PDF merge & split tool — all processing files locally on your device. Browse katlab tools.

More tools coming

katlab is an indie lab shipping small, useful, open tools we'd want to use ourselves. More are on the way.