Convert a desktop TTF into a WOFF web font, or turn an OBJ model into an STL ready for a 3D printer.
Web fonts & 3D models
Every tool on this page does one job well, and the name says which job. If you are converting a file once, just take the one that matches your format pair. If you are converting dozens on a schedule, a dedicated tool in a browser is the wrong shape — that is a workflow problem, and it is worth automating properly.
Two things are worth checking before you start. First, whether your file needs a full re-encode (slower) or just a repackage (instant) — a converter that says "re-encodes" will take noticeably longer. Second, whether the output format supports what you need: MP3 for sharing, WAV for editing, JPG for photos, PNG for anything with text or transparency.
Free online converters usually pay for themselves with your data. The file is uploaded, written to a temporary folder, and deleted "after a while" — which is fine for a holiday photo and a bad idea for a signed contract, an unreleased design, or anything belonging to a client.
Every tool here runs with JavaScript on your own device instead. Nothing is uploaded, so there is no file-size limit, no queue and nothing to delete. It also means the tools keep working with no connection once loaded, which is useful when the Wi-Fi is the actual problem.
These tools are built for one file at a time. If you need the same conversion run automatically over hundreds of files, or wired into an app you already have, that is a build job — and we do those.