Free tools for transcripts & subtitles
Small, free, no-signup utilities that run right in your browser — no file ever leaves your device.
Enter the length of your audio and see the pay-as-you-go price — from $0.83/hour.
Open tool → Text-to-speech cost calculatorPaste a script and see the credits, price and speech length across voice tiers.
Open tool → Speaking time calculatorHow long is your script when read aloud? Word & character counts, adjustable pace.
Open tool → Subtitle converter (SRT ↔ VTT ↔ TXT)Convert between SRT, VTT and plain text in your browser. Nothing is uploaded.
Open tool → Subtitle timing shifterResync out-of-sync captions — shift SRT/VTT timestamps or rescale for a new framerate.
Open tool → Subtitle readability checkerFlags captions that read too fast (CPS), run too long, or use too many lines.
Open tool → YouTube chapter formatterTurn rough timestamps into a clean 0:00 Title list that meets YouTube's chapter rules.
Open tool → Filler word counterPaste a transcript and count your um's, uh's and crutch words — highlighted, in 12 languages.
Open tool →Need the transcript or subtitles themselves?
Upload any audio or video and get a transcript, subtitles, summary and translation — from $0.83/hour, no subscription.
Transcribe a file free →