THE AUDIOMNI VOICE TOOLBOX

Your voice. A whole toolbox.

Record, clean, shape and understand the human voice. Free browser tools for small tasks, big ideas and everything in between.

All free No app downloads No sign-ups Audio stays on your device

30 tools

Ready to use

Vocal isolation

Separate a vocal track from its musical accompaniment.

Voice AI lab
Ready to use

Speech to text

Turn a spoken recording into editable text.

Speech & language
Ready to use

Subtitle generator

Create timestamped subtitles from a voice recording.

Speech & language
Ready to use

Speaker similarity

Compare learned speaker embeddings from two voice recordings, locally.

Voice AI lab
Ready to use

Microphone test

Check your input level before a call or recording.

Recording & setup
Ready to use

Voice recorder

Capture a voice memo, listen back and save it.

Recording & setup
Ready to use

Text to speech

Read a script with voices provided by your device.

Speech & language
Ready to use

Audio to WAV

Turn browser-readable recordings into PCM WAV files.

Edit & convert
Ready to use

Voice changer

Try radio, robot and character-style effects on a recording.

Voice effects
Ready to use

Speech enhancer

Shape a spoken recording with filtering, compression and peak normalization.

Clean up speech
Ready to use

Speech noise gate

Turn down quiet background sound in the gaps between words.

Clean up speech
Ready to use

Voice pitch analyzer

Estimate a recording’s voiced pitch and view its distribution.

Analyze & compare
Ready to use

Audio trimmer

Choose exact start and end times and export a shorter clip.

Edit & convert
Ready to use

Tempo & tap counter

Estimate repeating pulse in audio, or tap a tempo yourself.

Analyze & compare
Ready to use

10-band voice EQ

Balance low, mid and high frequencies in a voice clip.

Clean up speech
Ready to use

Bass & warmth

Add low-frequency weight with an adjustable shelf filter.

Voice effects
Ready to use

Reverb & echo

Give dry voice clips a room, hall or echo character.

Voice effects
Ready to use

Peak normalizer

Adjust a clip to a chosen peak level without changing its timing.

Clean up speech
Ready to use

Trim edge silence

Remove quiet lead-in and trailing pauses around your speech.

Edit & convert
Ready to use

Join voice clips

Put two recordings in sequence, with an optional gap.

Edit & convert
Ready to use

Stereo to mono

Combine left and right channels into a single voice track.

Edit & convert
Ready to use

Sibilance softener

Reduce the high-frequency edge of sharp S and SH sounds.

Clean up speech
Ready to use

Recording quality check

Check peak level, average level, clipping and quiet portions.

Analyze & compare
Ready to use

Compare two voices

Compare pitch, level and spectral balance across two clips.

Analyze & compare
Planned

AI stem splitter

Separate vocals, percussion, bass and other instruments.

Voice AI lab
Planned

RVC model converter

Prepare compatible voice-conversion models for portable inference.

Voice AI lab
Planned

Pitch changer

Change pitch while keeping the recording’s duration.

Voice effects
Planned

Speech speed changer

Change speaking speed while preserving pitch.

Edit & convert
Planned

Speech translation

Translate recorded speech into another language.

Speech & language
Planned

Voice protection evaluation

Explore how voice-protection processing holds up across audio chains.

Voice AI lab
NEXT / VOICE AI LAB

Built in stages. Clear about what works.

Vocal isolation, speaker similarity, Chinese and English transcription, and subtitle generation now run on your device. Translation and multi-stem separation are next in the lab. Planned tools stay clearly labeled.

Compare speaker embeddings ↗