Cobalt

Open Source

Save video or audio from public links with no ads and no sign-up.

Editorial note

Only download material you have the right to keep.

Details

Metadata is curated manually; anything we could not verify is left out rather than guessed.

downloadvideoclean

Form builder with an unusually generous free plan and no per-response cap.

Open-source scheduling you can use hosted or run on your own server.

Ad-free search engine; a limited number of free searches, then paid.

Turn a raster logo into clean vector paths in the browser.

A large set of file, PDF and image utilities that work without an account.

Computational answers for maths, science and unit-heavy questions.