# Free Online Audio Tools: Convert, Trim, Merge, Denoise, Mix, Pitch & EQ

> Process audio for free in your browser: convert MP3/WAV/AAC/FLAC/OGG, trim by time, merge and split clips, mix several tracks, reduce noise, strip silence, fade in and out, normalize loudness, shape the tone with a 3-band EQ, change speed and pitch, reverse, turn audio into a video with a cover image, render waveform images, record from the mic, edit ID3 tags, run a metronome, generate tones, detect BPM, render spectrograms, remove vocals, make ringtones, create 8D audio, apply voice effects, play a virtual piano and mix ambient sounds, fix audio channels and measure loudness, tune instruments, meter sound levels program drum beats, compress and limit audio make LRC lyrics, generate retro sound effects, play MIDI files turn humming into MIDI, make podcast audiograms and explore chords, scales and the circle of fifths, make seamless loops, decode DTMF and Morse, and run ABX blind tests. Powered by FFmpeg running locally, no uploads.

- URL: https://qilingtools.com/en/audio
- Price: Free, no sign-up
- Privacy: Runs locally in the browser; files are never uploaded

## Tools (50)

- [Convert Audio](https://qilingtools.com/en/audio/convert): Free online audio converter: convert between MP3, WAV, M4A, AAC, FLAC, OGG and OPUS with selectable bitrate. Powered by FFmpeg, processed locally, no upload.
- [Trim Audio](https://qilingtools.com/en/audio/trim): Free online audio trimmer: set start and end times to cut a clip from MP3, WAV, M4A and more. Make ringtones. Processed locally, no upload.
- [Merge Audio](https://qilingtools.com/en/audio/merge): Free online audio merger: join MP3, WAV and other audio files in order into one file, mixed formats supported. Processed locally, no upload.
- [Volume / Speed](https://qilingtools.com/en/audio/volume): Free online audio volume booster: amplify or reduce volume and change playback speed (0.5x to 3x without pitch change). Processed locally, no upload.
- [Audio Fade In/Out](https://qilingtools.com/en/audio/fade): Free online audio fade tool: add a fade-in at the start and a fade-out at the end of MP3, WAV and more, with any length. Batch supported, runs locally.
- [Normalize Audio](https://qilingtools.com/en/audio/normalize): Free online loudness normalizer: bring a batch of files to the same perceived loudness with EBU R128 / LUFS, or even out uneven speech with compression.
- [Split Audio](https://qilingtools.com/en/audio/split): Free online audio splitter: cut long recordings, album rips and audiobooks into parts by count, fixed length or specific time points, downloaded as a zip.
- [Mix Audio](https://qilingtools.com/en/audio/mix): Free online audio mixer: play voice, a backing track and background music together, with adjustable levels and a built-in limiter. Processed locally.
- [Change Audio Pitch](https://qilingtools.com/en/audio/pitch): Free online pitch shifter: move a song or recording up to 12 semitones up or down while keeping the tempo — for transposing backing tracks and voice changing.
- [Reduce Audio Noise](https://qilingtools.com/en/audio/denoise): Free online audio denoiser: strip air-conditioning hum, hiss and fan noise from recordings, with adjustable strength and optional speech boost. No upload.
- [Remove Silence](https://qilingtools.com/en/audio/silence): Free online silence remover: cut the dead air at the start and end of a recording and shorten long pauses in the middle, with an adjustable threshold.
- [Audio Equalizer](https://qilingtools.com/en/audio/equalizer): Free online audio EQ: adjust bass, mid and treble gain separately, with bass boost, vocal, bright, warm and telephone presets and a built-in limiter.
- [Extract Audio](https://qilingtools.com/en/video/extract-audio): Free online tool to extract audio from MP4, MOV and other videos as MP3, M4A or WAV. Processed locally, no upload.
- [Mute Video](https://qilingtools.com/en/video/mute): Free online video muter: remove the audio track from a video in one click without re-encoding the picture. Finishes in seconds, processed locally, no upload.
- [Replace Video Audio](https://qilingtools.com/en/video/audio-track): Free online tool to replace a video soundtrack or layer music over the original audio, with adjustable volume and looping. The picture is not re-encoded.
- [Text to Speech](https://qilingtools.com/en/text-to-speech): Free text to speech: near-human AI voices run in your browser, unlimited, downloadable as WAV, in English and Chinese. System voices cover many more languages.
- [Reverse Audio](https://qilingtools.com/en/audio/reverse): Free online audio reverser: play MP3, WAV, M4A and more backwards from end to start, with your choice of output format and bitrate. Batch supported, no upload.
- [Audio to Video](https://qilingtools.com/en/audio/to-video): Free online audio to video converter: pair an MP3 or WAV with a cover image or solid background and a title, and export a 16:9, 1:1 or 9:16 MP4. Runs locally.
- [Audio Waveform Generator](https://qilingtools.com/en/audio/waveform): Free online audio waveform generator: render MP3, WAV and more as bar, mirrored, line or filled sound-wave images with custom colors and sizes. PNG and SVG.
- [Online Voice Recorder](https://qilingtools.com/en/audio/record): Free online voice recorder: record from your microphone with noise suppression, pause and resume, a live level meter and waveform, then save as MP3 or WAV.
- [Audio Tag Editor](https://qilingtools.com/en/audio/tags): Free online audio tag editor: edit title, artist, album, year, genre and track number in MP3, M4A, FLAC, OGG and WAV, and replace the cover — no re-encoding.
- [BPM Detector](https://qilingtools.com/en/audio/bpm): Free online BPM detector: find a song's tempo to 0.1 BPM with a confidence score and half/double-time candidates, see every beat on the waveform, or tap along.
- [Online Metronome](https://qilingtools.com/en/audio/metronome): Free online metronome: 20–300 BPM with tap tempo, common and custom time signatures, accents, eighth, triplet and sixteenth subdivisions and three sounds.
- [Tone Generator](https://qilingtools.com/en/audio/tone-generator): Free online tone generator: sine, square, sawtooth and triangle waves from 1 to 20,000 Hz, a note picker, sweeps, white/pink/brown noise and a WAV download.
- [Vocal Remover](https://qilingtools.com/en/audio/vocal-remover): Free online vocal remover: center-channel cancellation turns a track into a karaoke instrumental, with a keep-the-bass option and approximate vocal extraction.
- [Ringtone Maker](https://qilingtools.com/en/audio/ringtone): Free online ringtone maker: drag on the waveform to pick a section and export an iPhone .m4r (up to 40 s) or Android MP3 / OGG, with fades and normalization.
- [Audio Spectrogram](https://qilingtools.com/en/audio/spectrogram): Free online spectrogram generator: see time, frequency and level from a Hann-windowed STFT, with FFT size, log axis, dB range and colour maps. Exports PNG.
- [8D Audio Converter](https://qilingtools.com/en/audio/8d): Free 8D audio maker: make any song circle your head with adjustable speed, width and reverb. Preview 15 s, export MP3 or WAV. Best on headphones, runs locally.
- [Audio Effects & Voice Changer](https://qilingtools.com/en/audio/effects): Free voice changer and audio effects: reverb, echo, chorus, flanger, robot, telephone, walkie-talkie, chipmunk, 8-bit and more. A/B preview, batch export.
- [Speech to Text](https://qilingtools.com/en/speech-to-text): Free online speech to text: talk into your mic for live transcription in 20+ languages with timestamps, auto punctuation, editing and TXT or SRT export.
- [White Noise & Ambient Sounds](https://qilingtools.com/en/audio/ambient): Free ambient sound mixer: white, pink and brown noise, rain, ocean, wind, fire, stream, birds, café and fan. Presets, sleep timer, saved mixes, MP3/WAV export.
- [Online Piano](https://qilingtools.com/en/audio/piano): Free virtual piano: play with mouse, multi-touch or your computer keyboard, 2–4 octaves, piano, e-piano, organ and synth, sustain pedal, WAV/MIDI export, songs.
- [Audio Channel Tools](https://qilingtools.com/en/audio/channels): Free audio channel tools: stereo to mono (mix or L/R), mono to stereo, swap or split channels, mute one side, balance, fix phase, 5.1 to stereo.
- [Loudness Meter](https://qilingtools.com/en/audio/loudness): Free loudness meter: integrated LUFS, short-term/momentary max, LRA, true peak, RMS, DC offset and clipping, checked against Spotify, YouTube and EBU R128.
- [Decibel Meter](https://qilingtools.com/en/audio/decibel): Free online decibel meter: measure noise with your mic in real time, A/C/Z weighting, fast/slow response, min/max/average/Leq, 60-second graph and calibration.
- [Drum Machine](https://qilingtools.com/en/audio/drum-machine): Free online drum machine: 10 synthesized drums, 8/12/16/32-step grid, BPM, swing, accents, mute/solo, rock to bossa presets, export WAV and General MIDI.
- [Online Tuner](https://qilingtools.com/en/audio/tuner): Free online tuner using your microphone: note, octave and cents in real time. Guitar standard, Drop D, Open G, DADGAD, bass, ukulele, violin, A4 415–466 Hz.
- [PDF Read Aloud](https://qilingtools.com/en/pdf/read-aloud): Listen to a PDF read aloud sentence by sentence, highlighted in the text and on the page. Choose voices and speed, click to jump, and resume later.
- [Audio Compressor & Limiter](https://qilingtools.com/en/audio/compressor): Free online audio compressor: threshold, ratio, knee, attack/release, auto makeup, true-peak limiter, noise gate, de-esser, presets and A/B preview.
- [LRC Lyrics Maker](https://qilingtools.com/en/audio/lrc-maker): Free online LRC maker: tap Space to timestamp each line as the song plays, word-by-word enhanced LRC, draggable timeline, karaoke preview, LRC/SRT/VTT export.
- [MIDI Player](https://qilingtools.com/en/audio/midi-player): Free online MIDI player: play .mid files with a live piano roll, mute or solo parts, change tempo, transpose, view track info and export WAV.
- [Game Sound Effect Generator](https://qilingtools.com/en/audio/sfx): Free sfxr-style 8-bit sound effect generator: one-click coin, laser, explosion and jump sounds, tweak every parameter, export WAV and share by link.
- [Jump Cut: Remove Video Pauses](https://qilingtools.com/en/video/jump-cut): Free automatic jump cut: detect pauses in talking-head or lecture videos, cut or speed them up with per-cut control, export MP4, EDL and CSV.
- [Audio to MIDI](https://qilingtools.com/en/audio/to-midi): Turn humming, whistling, singing or a single instrument into MIDI online: pitch and onset detection, key snapping, quantize, editable piano roll, .mid export.
- [Audiogram Maker](https://qilingtools.com/en/audio/audiogram): Turn podcast, interview or music clips into audiogram videos online: spectrum, waveform or circular visualizer, cover art, captions, progress bar, MP4 export.
- [Chord & Scale Finder](https://qilingtools.com/en/audio/chords): Free chord library: every chord type in all 12 keys with guitar and ukulele voicings, piano view, a chord finder for inversions, and scale charts.
- [Circle of Fifths](https://qilingtools.com/en/audio/circle-of-fifths): Interactive circle of fifths: key signatures, relative minors, diatonic chords with Roman numerals, playable progressions, transposer and capo tips.
- [Seamless Loop Maker](https://qilingtools.com/en/audio/loop): Make seamless audio loops online: sample-accurate automatic loop points, zero-crossing snap, crossfades, preview, extend music, WAV with loop points or MP3.
- [ABX Blind Listening Test](https://qilingtools.com/en/audio/abx): Free online ABX listening test: auto loudness matching and time alignment, seamless switching, loop regions, p-value verdict, blind AB preference, MP3 maker.
- [DTMF Tones](https://qilingtools.com/en/audio/dtmf): Generate and decode phone keypad tones (DTMF, incl. A–D) online: keypad, WAV export, decode recordings or the mic with timestamps, and decode Morse from audio.