Category
Audio and voice tools
Record, cut, join and convert audio, test your mic and speakers, and change speed or loudness. For podcasters, musicians, students and anyone fixing a voice note before sending it.
All 16 tools here work now, and none of them needs credits.
Add Sound Effects to VideoDing, whoosh, pop, censor bleep and more, or your own sounds, at the exact second with volume; the picture is kept unchanged. No upload.MP4 to MP3Convert MP4, MOV, MKV or WebM videos to MP3 at 64–320 kbps to keep just the sound, several files at once. No upload.Mic TestCheck your microphone with a live waveform and level, muted and too-loud warnings, and 5-second playback.Speaker TestLeft/right channel tones, a 20 Hz–20 kHz sweep that shows the frequency, a phase check and a volume slider.Audio RecorderRecord your voice online with a live level, pause and resume, and save as MP3, WAV or WebM/M4A.Voice ChangerRecord or upload your voice and make it a chipmunk, robot, monster, echo, old radio and 11 more effects; hear it live, save MP3 or WAV.Audio ConverterConvert MP3, WAV, M4A, FLAC or OGG to MP3, WAV, FLAC, OGG or WebM with bitrate and sample rate choices, in batches. No upload.M4A to MP3 ConverterConvert iPhone voice memos and iTunes M4A files to MP3 at 64–320 kbps, keeping title, artist and cover art, in batches. No upload.Audio CutterTrim MP3, WAV or M4A by dragging on the waveform, keep or remove a part, add fades and save as MP3 or WAV.Audio JoinerMerge MP3, WAV and M4A files into one track with a silence gap or a crossfade, as MP3, WAV or FLAC.Audio to WAV ConverterConvert MP3, M4A, OGG or FLAC to WAV at 48, 44.1, 22.05, 16 or 8 kHz, in 16-bit, 24-bit or 32-bit float.Audio Speed ChangerSpeed up or slow down audio from 0.25× to 4×, keeping the pitch or changing it like a tape.Audio Normalizer & Silence TrimmerNormalise to −14, −16 or −23 LUFS or a −1 dB peak, trim silence and convert to mono, with a loudness reading.Audio EffectsSlowed + reverb, 8D audio, echo, reverb, bass boost and treble, saved as MP3, WAV or FLAC.BPM FinderDetect a song's tempo (BPM) and musical key with its Camelot code from the audio file, or tap along.Waveform Image GeneratorTurn any audio file into a waveform picture in your colours: transparent PNG or SVG, three sizes.
Coming next: 174 more audio and voice tools are planned, 154 of them AI tools. Pick Planned above to see them by name; each one joins this list once it works. Tell us which one you need first.
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