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Free Online Audio Tools

Edit, convert, compress, enhance, create, and analyze audio from one browser-based toolkit. Choose the task you need and start without installing desktop software.

Choose a Tool

Audio Effects

Apply EQ, reverb, bass, volume, pitch, speed, and spatial effects, then preview and export the result.

Audio Equalizer

Preview 18 presets, fine-tune each frequency band, and export in five audio formats.

Add Reverb

Choose six distinct reverb characters, adjust the complete tail, and export WAV, MP3, M4A, FLAC, or OGG.

Bass Booster

Boost low frequencies with a ready-made +8dB preset or precise custom control.

Nightcore Maker

Speed and pitch up audio for a classic nightcore sound.

Pitch Changer

Preview semitone changes instantly, keep speed independent, and export WAV, MP3, M4A, FLAC, or OGG.

Tempo Changer

Adjust tempo from 50% to 200%, preview the result, and export in five audio formats.

Audio Reverser

Compare original and reversed audio, adjust speed or pitch when needed, and export in five audio formats.

8D Audio

Move audio around the stereo field with a circular pan effect.

Binaural Audio

Control direction, elevation, distance, motion, spatial mix, and room response in your browser.

Spatial Audio

Shape stereo width, rotation, elevation, distance, motion, room response, and spatial mix.

Voice & Speech

Generate speech, transcribe recordings, tune vocals, transform voices, and build synthesized vocal sounds.

Vocal Synthesizer

Shape vocal formants, register, breath, vibrato, envelope, stereo width, and melody, then export WAV, MP3, M4A, FLAC, or OGG.

Vocal Tuner

Detect vocal pitch, snap notes to a musical scale, preview the correction, and export a mainstream audio format.

Voice Changer

Use chipmunk, robot, demon, anime, deep voice, alien, radio, and advanced controls.

Text to Speech

Choose from 28 American and British voices, adjust speed, preview, and export MP3 or WAV.

Audio to Text

Upload or record speech, generate timestamped text, edit the transcript, and download TXT or SRT.

Audio Editing

Cut and arrange clips, compress files, normalize levels, master tracks, make loops, and edit metadata.

Audio Editor

Edit one or more audio files with a browser-based timeline and export in popular formats.

Audio Compressor

Batch compress up to 10 files and export MP3, M4A, OGG, or configurable PCM WAV.

Audio Normalizer

Match a sample-peak or LUFS target, compare the original and normalized audio, then export WAV, MP3, M4A, FLAC, or OGG.

Audio Mastering

Set the peak, shape lows, mids, and highs, control the final ceiling, compare, and export a mastered WAV.

Audio Volume Booster

Boost audio up to 300% or normalize it to a consistent -16 LUFS level.

Ringtone Maker

Select a waveform section, add fades, loop-preview it, and export for iPhone or Android.

Audio Looper

Select a waveform section, repeat it, smooth every join, then slow down, speed up, transpose, and export.

Metadata Editor

Update embedded title, artist, album, date, genre, track, comments, and supported cover art.

Audio Conversion

Convert popular audio formats, extract sound from video, or turn a monophonic melody into MIDI notes.

Audio Converter

Convert MP3, WAV, M4A, FLAC, OGG, AAC, AIFF, WMA, Opus, and AMR, with optional MP4 audio input and ALAC output.

Video to Audio

Convert MP4, MOV, AVI, MKV, WEBM, FLV, or WMV entirely in your browser.

Audio to MIDI

Detect monophonic pitch, clean up timing, transpose notes, preview the result, and export a standard MIDI file.

Music & Sound Creation

Make beats, play drum pads, build soundboards, generate tones, practice timing, and visualize music.

Drum Machine

Build 16- or 32-step patterns with classic kits, BPM, swing, effects, and audio export.

Drum Pad

Finger drum on 16 pads, record custom sounds and performances, then export the result.

Granular Synthesizer

Create glitch, drone, and pad-like versions with grain controls.

Metronome

Set BPM, meter, subdivisions, beat accents, click sound, tempo training, and practice time.

Tone Generator

Choose an exact frequency, waveform, volume, and duration, then play or download the tone in a mainstream audio format.

Soundboard

Browse 80 CC0 and browser-generated sounds, then upload, record, trim, and save custom clips to a personal soundboard.

Music Visualizer

Play audio through an analyzer and switch visual themes.

Audio & Music Analysis

Find BPM, key, chords, and loudness; tune instruments; measure vocal range; and test hearing or playback devices.

BPM Finder

Find BPM from a song, loop, or recording, review confidence, and compare half-time or double-time readings.

Song Key Finder

Analyze a song, loop, acapella, instrumental, or recording locally, then review confidence and compatible keys.

Song to Chords

Detect chord changes, review a synchronized timeline, correct labels, and export a TXT or CSV chord chart.

Chord Finder

Select notes or mark a guitar shape, hear the voicing, and compare likely chord names.

Guitar Chords

Search common major, minor, seventh, and major seventh shapes, hear them, and open detailed references.

Guitar Chord Chart

Compare chord diagrams by root, quality, and difficulty, then open a detailed reference or print the chart.

BPM Tapper

Measure beats per minute from your taps with timing consistency feedback.

Online Tuner

Use your microphone to tune guitar, bass, ukulele, cavaquinho, violin-family instruments, mandolin, balalaika, banjo, or any chromatic instrument.

Vocal Range Test

Use a live microphone or recording to measure your lowest note, highest note, octave span, and a range-based voice type estimate.

LUFS Meter

Analyze complete audio files with EBU R128 loudness measurement in your browser.

Hearing Test

Check six frequencies in each ear and compare both sides with an instant visual result.

Hearing Frequency Test

Run a guided high-frequency check or mark your cutoff during a continuous 20 Hz to 20 kHz sweep.

Speaker Test

Verify speaker channels and run controlled playback checks directly in your browser.

Headphone Test

Verify headphone channels, stereo movement, bass playback, noise, and phase online.

Microphone Test

Select an input device, watch the live level, record a short sample, and hear your microphone without uploading audio.

Headset Test

Verify left and right output, stereo, bass, phase, microphone level, recording, and playback in your browser.