FLINT

FLINT

Convert any file format in browser | flint

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FLINT is a privacy-first file toolkit that runs entirely in your browser. No uploads, logins, limits, or watermarks. It combines a 100+ format file converter, full PDF organizer, metadata cleaner, and subtitle tools in one interface, with fast batch workflows and support for 62+ languages.
FLINT gallery image
FLINT gallery image
FLINT gallery image
FLINT gallery image
Free
Launch tags:Web App•Productivity•Tech
Launch Team / Built With
Framer
Framer
Launch websites with enterprise needs at startup speeds.
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SKALDA
Maker
📌
We built FLINT because every “free” file converter I used came with a catch: upload limits, queues, watermarks, tracking, or forced accounts. I wanted a tool that treats files as private by default and runs entirely in the browser, no server involved and no lock-ins. FLINT started as a simple client-side file converter and grew into a broader file toolkit: a converter for 100+ formats, a PDF Organizer for merging/splitting/rotating/cropping, Metadata Tools to inspect and clean EXIF/GPS/author data, and Subtitle Tools for fixing and converting SRT/VTT. The goal is to cover the boring but essential file chores in one place, fast and predictable. The approach was to push the browser as far as it can go: WebAssembly for heavy lifting, careful UX so non-technical users can batch actions without thinking about codecs or flags, and full support for 62+ languages so it is actually usable worldwide. FLINT is meant to feel like a local utility that happens to live in your browser, not another cloud service you have to trust.