Free tools
Free audio tools
Edit, clean up, or record audio. Free, with no signup.
Free text to speechTurn short text into speech, preview it instantly, and download the result.Open generator Speech time calculatorPaste a script to see how long it takes to read aloud at any speaking pace.Time a script Audiobook speed calculatorSee listening time, time saved, and days to finish at your pace.Plan listening
Script, caption & planning tools
Words per minute calculatorFind your real speaking pace. Add your words and the time it took to read them.Online teleprompterYour words, at your pace. Paste a script and keep it moving while you rehearse or record.SRT to VTT converterBring your subtitles to the web. Convert an SRT file into downloadable WebVTT captions.Audio file size calculatorKnow the size before you export. Compare compressed audio with uncompressed PCM.Subtitle shifterCaptions arriving too early or late? Move every SRT cue by the same amount.
Find your tool
12 tools
Clean & separate
Bring out the parts you want to hear.
Edit audio
Cut, join, and fine-tune your clips.
Audio TrimmerKeep the part you need. Cut the rest.Audio Volume BoosterMake quiet audio louder or turn the volume down.Audio Speed ChangerSlow down or speed up an audio clip and download the result.Audio MergerJoin your clips in the order you choose.Audio NormalizerNormalize an audio file to a −1 dBFS sample peak in your browser. Preview and download WAV without uploading your recording.Audio Fade In & OutGive your audio a smooth beginning and ending.Audio ReverserPlay an audio clip backward, listen to the result, and download it.
Convert & record
Start a recording or change its format.