Audio Tools

Process audio in your browser—trim, merge, convert formats, normalize levels, and more. Private, fast, and no server uploads required.

43 tools available

AI Tools 1

AI Speech to Text

Free AI-powered speech to text converter. Transcribe audio and video files to text with timestamps. 100% private, browser-based using OpenAI Whisper.

Audio Tools 33

Note Frequency

Instrument tuner reference: convert notes to Hz with cents deviation, MIDI numbers, overtone/harmonic series, interactive piano. A=432/440/415 presets.

AI Music Genre Classifier

Free AI-powered music genre classifier with 400 styles. Accurately identify R&B, Hip-Hop, Electronic, Rock, Pop, Jazz, and more using deep learning technology.

AI Vocal Remover

Free AI-powered vocal remover using deep neural networks. Remove vocals or extract instrumentals from any song with professional quality results.

Audio Compare

Compare two audio files with AB testing and statistical analysis. Measure RMS, peak, spectral centroid, rolloff and more. For engineers and producers.

Audio Compressor

Free dynamic range compressor with LUFS loudness check and one-click normalization to -14/-16/-23 LUFS targets, in your browser, nothing uploaded.

Audio Converter

Convert audio between MP3, WAV, OGG, AAC, FLAC and OPUS in your browser. Bitrate, sample-rate and mono/stereo control, all local, no upload required.

Audio Denoiser

Free online audio denoiser. Remove background noise, hum and hiss with FFT denoising. Clean audio for podcasts, videos and interviews — runs in browser, no upload.

Audio Equalizer

Tune any audio with a 31-band graphic or parametric EQ. Live spectrum, peak meters, HPF/LPF, presets. Export MP3, FLAC, OGG. No upload.

Audio Fade

Free audio fade in/out tool with logarithmic, exponential and sine fade curves. Process MP3, WAV, OGG, AAC, M4A, FLAC in-browser. No upload, no watermark.

Audio Joiner

Free audio joiner: merge MP3, WAV, M4A, podcast episodes with crossfade, silence gap and normalize loudness. No upload, runs in your browser.

Audio Metadata Viewer

Free online audio metadata viewer. Read ID3 tags, album art, artist, title, bitrate, codec from MP3, FLAC, M4A, OGG, WAV and more. View all audio file information.

Audio Normalizer

Normalize audio loudness to LUFS (EBU R128) with true-peak dBTP ceiling: Spotify -14, Apple -16, broadcast -23. Plus channels, bitrate, samplerate.

Audio Recorder

Free online audio recorder with noise suppression, echo cancellation and a countdown timer. Save as WAV, WebM, OGG or MP3. Ideal for podcasts.

Audio Reverser

Reverse audio online and export real MP3 (320/192/128 kbps) or WAV. Create reverse reverb, backmasking and sound design effects privately in your browser.

Audio Silencer

Free audio silencer with waveform. Two modes: insert silent gaps or mute sections. Add pauses or replace audio with silence. MP3, WAV, OGG, AAC.

Audio Splitter

Split MP3 & WAV by time, parts, size or custom timestamps. 100% private in-browser processing, no upload, sample-accurate lossless WAV output.

Audio Trimmer

Trim audio in your browser with lossless Copy mode, millisecond-precise cuts and fade in/out. 100% private, no upload. MP3, WAV, FLAC, AAC, M4A and more.

Audio Volume Booster

Increase audio volume up to 300% and normalize loudness for consistent levels. Supports MP3, WAV, OGG, AAC right in your browser. No software install.

Audio to MIDI

Free online audio to MIDI converter. Convert any audio file (MP3, WAV, etc.) to MIDI format. Detect pitches, notes, and melodies automatically. Download MIDI files instantly.

BPM Detector

Drop in any MP3/WAV/FLAC — get the BPM (tempo) instantly with a confidence score. Includes manual tap-tempo. No upload, runs in your browser. Free.

Channel Mixer

Free online channel mixer and vocal remover. Make karaoke tracks, downmix stereo to mono, swap L/R, isolate vocals, convert mono to stereo. MP3, WAV, OGG.

Key Detector

Find the musical key, BPM and Camelot code of any song. Real-time pitch tuner included. Krumhansl-Schmuckler algorithm, browser-based.

Loudness Meter

Measure integrated, short-term and momentary LUFS plus true-peak and LRA per EBU R128 / ITU-R BS.1770. Free in-browser loudness meter for podcasts and music.

Metronome

Pro online metronome with tap tempo, subdivisions, speed trainer and per-beat accents for odd meters. Export WAV click tracks with count-in for your DAW.

Silence Detector

Free silence detector. Find dBFS dead air in audio, export CSV/EDL timecodes (MM:SS.mmm) of silence + keep segments for DAW, Premiere, or ffmpeg edits.

Silence Trimmer

Free online silence trimmer. Automatically remove silence from beginning and end of audio files. Adjust threshold and duration. Supports MP3, WAV, OGG, AAC. Fast and easy.

Spectrum Analyzer

Visualize audio frequencies live with FFT — bars, spectrum line, waveform. Records as MP4/WebM, runs in browser, no upload. Supports MP3, WAV, FLAC.

Speed & Pitch

Change audio speed from 0.25× to 4× and shift pitch ±12 semitones independently. Time-stretch with phase vocoder, preview, export MP3 or WAV — fully in browser.

Stereo Mono Converter

Free online stereo to mono converter. Convert stereo audio to mono or mono to stereo instantly. Supports MP3, WAV, OGG, AAC. No software installation required.

Text to Speech

Convert text to speech free in your browser. Pick from dozens of voices, adjust rate, pitch, volume. 100% private, no upload. Works in any modern browser.

Tone Generator

Generate sine, square, sawtooth, triangle waves and pink/white noise. Adjust frequency (20-20000 Hz), volume, duration. Download as WAV. Free online tool.

Waveform Viewer

Free online audio waveform viewer. Visualize and analyze audio waveform, spectrogram, stereo channels, peak meters. Export to PNG/SVG. Supports all audio formats.

White Noise Generator

Professional white noise generator with pink, brownian noise, binaural beats, 10-band EQ, and lowpass filter. Export to MP3, WAV, OGG. Free online sleep and focus sounds.

Developer Tools 1

Encoding 1

Morse Code Translator

Translate text to International Morse code and back with audio at adjustable WPM, tone Hz and Farnsworth timing. Letters, numbers, punctuation, @ and prosigns.

Hardware Tools 3

Diagnostics 3

Audio Latency Tester

Test and measure audio output latency for music production, gaming, and streaming. Check audio delay and buffer size in your browser with real-time results.

Microphone Tester

Check your microphone with a live waveform meter. Switch input devices, monitor levels, and catch clipping or low gain instantly in the browser.

Speaker Tester

Verify laptop or desktop speakers with a 440 Hz reference tone or full-range frequency sweep. Test left, right, or stereo channels and adjust volume instantly in your browser.

Time Tools 1

Audiobook Speed Calculator

See remaining listening time at 1×–3×, the daily minutes and player speed you need, and the calendar date you finish an audiobook or podcast by your deadline.