Audio tools
Convert, cut, join and level audio right in your browser. Audio is light enough that most of these are instant — no engine to download, no upload, nothing leaves your device.
- Convert audio online — MP3 to WAV and WAV to MP3, free, no uploadFlagshipA free audio converter that runs in your browser: MP3 to WAV, WAV to MP3, with a quality choice and a preview before you download. Nothing is uploaded.
- Trim audio online — free audio trimmer for MP3 and WAV, no uploadTrim audio to the exact part you want, in your browser. Drag the waveform handles, hear the selection, then export as WAV or MP3. Free, no sign-up, nothing uploaded.
- Join audio files online — free audio joiner for MP3 and WAVMerge audio online: combine audio files into one in the order you choose, right in your browser. Handles mixed sample rates. Nothing is uploaded.
- Increase audio volume online — free normalizer, no uploadMake a quiet recording louder, or normalize it to a standard level, in your browser. See the resulting peak and get warned before it distorts.
- MP3 cutter — trim MP3 files free online, no uploadCut an MP3 down to the part you need and get an MP3 back. Waveform handles, exact times, preview before export. Runs in your browser.
- WAV to MP3 converter — free, in your browser, no uploadTurn a large WAV into a much smaller MP3 without uploading it. Choose the quality, hear the result, download. Works offline once loaded.
- MP3 to WAV converter — free, in your browser, no uploadConvert an MP3 to an uncompressed WAV in your browser, keeping its sample rate and channels. No upload, no signup.
- Audio joiner — combine audio files free online, no uploadPut several audio files together into one, in your order. Mixed formats and quality settings are matched up for you. Nothing is uploaded.