Free tools for your explainer videos

Three simple tools to prepare a spoken video: they run in your browser, no sign-up, and your audio never leaves your computer.

Remove silence from a recordingDrop your audio or video file: dead air is cut automatically and you download a tighter voice track. Everything runs in your browser; your file is never uploaded.
Test your microphone before recordingIn 15 seconds, check that your voice is loud enough, background noise is low and nothing clips. The sound stays in your browser.
How long is your script, read out loud?Paste your script: see its spoken length right away, how many words to aim for at 30, 60 or 90 seconds, and which sentences are too long.