# TrackMix

> Free, private, in-browser audio tools. Everything runs locally on the user's device — no uploads, no sign-up, no watermarks. Each tool processes existing audio (cut, convert, join, record, transcribe, edit) entirely client-side in the browser.

## Categories
- [Edit & Convert](https://trackmix.app/edit-convert/): Trim audio, merge tracks, convert formats, and extract audio from video.
- [Record & Transcribe](https://trackmix.app/record-transcribe/): Capture mic audio and transcribe speech to text with on-device AI.
- [Improve Sound](https://trackmix.app/improve-sound/): Normalize loudness, boost volume and bass, reduce noise, EQ, and cut silence.
- [Creative Tools](https://trackmix.app/creative/): Change pitch and tempo, reverse audio, and make 8D rotating audio.

## Tools
- [Audio Cutter](https://trackmix.app/audio-cutter/): Cut and trim audio; select a region, preview, download MP3/WAV.
- [Audio Converter](https://trackmix.app/converter/): Convert audio or video to MP3 or WAV.
- [Video to MP3](https://trackmix.app/video-to-mp3/): Extract audio from a video to MP3 or WAV.
- [Audio Joiner](https://trackmix.app/joiner/): Merge multiple tracks into one, with optional crossfade.
- [Voice Recorder](https://trackmix.app/voice-recorder/): Record from the microphone and save as MP3/WAV.
- [Audio Normalizer](https://trackmix.app/normalizer/): Even out loudness (RMS) or maximize peak, clip-safe.
- [Audio to Text](https://trackmix.app/audio-to-text/): Transcribe speech to text with on-device AI (Whisper); exports .txt/.srt/.vtt.
- [Pitch & Tempo Changer](https://trackmix.app/pitch-tempo/): Change key (semitones) and speed independently, without the chipmunk effect.
- [Volume Booster](https://trackmix.app/volume-booster/): Make audio louder with a clip guard so it never distorts.
- [Bass Booster](https://trackmix.app/bass-booster/): Add low-end punch with a limiter to prevent clipping.
- [Noise Reducer](https://trackmix.app/noise-reducer/): Reduce steady background noise (hiss, hum, fans) via spectral gating from a selected noise sample.
- [Ringtone Maker](https://trackmix.app/ringtone-maker/): Trim a song into a ringtone with fades; exports MP3.
- [Reverse Audio](https://trackmix.app/reverse-audio/): Play any audio backwards; exports MP3/WAV.
- [8D Audio Maker](https://trackmix.app/8d-audio/): Turn a song into rotating "8D audio" (a left-right auto-pan, best on headphones); exports MP3/WAV.
- [Equalizer](https://trackmix.app/equalizer/): Shape sound with an 8-band graphic EQ (60 Hz – 16 kHz, ±12 dB per band), with presets and clip protection; exports MP3/WAV.
- [Silence Remover](https://trackmix.app/silence-remover/): Automatically cut long pauses and dead air from podcasts and voice recordings (threshold + minimum-gap controls); exports MP3/WAV.

## About
- [About TrackMix](https://trackmix.app/about/): What TrackMix is and the privacy-first, client-side model.
- [Privacy](https://trackmix.app/privacy/): No uploads — audio never leaves the device; what limited technical/analytics/ad data is processed.
- [Terms](https://trackmix.app/terms/): Plain-language terms of service for the free in-browser tools.
- [Disclaimer](https://trackmix.app/disclaimer/): As-is use, AI/transcription accuracy, browser compatibility, and back-up-your-files notes.
- [Contact](https://trackmix.app/contact/): How to reach us — bug reports, feedback, privacy/legal, and partnerships.

## Guides
- [How to trim a song](https://trackmix.app/how-to/trim-a-song/): Trim or cut a song to keep just the part you want.
- [How to make an iPhone ringtone](https://trackmix.app/how-to/make-iphone-ringtone/): Make a custom iPhone ringtone from any song.
- [How to convert M4A to MP3](https://trackmix.app/how-to/convert-m4a-to-mp3/): Convert M4A or AAC files to MP3.
- [How to extract audio from a video](https://trackmix.app/how-to/extract-audio-from-video/): Extract the audio track from a video as MP3 or WAV.
- [How to merge audio files](https://trackmix.app/how-to/merge-audio-files/): Combine multiple audio files into one track.
- [How to make audio louder](https://trackmix.app/how-to/make-audio-louder/): Increase the volume of quiet audio.
- [How to remove background noise](https://trackmix.app/how-to/remove-background-noise/): Reduce background hiss and hum from a recording.
- [How to change a song’s key](https://trackmix.app/how-to/change-song-key/): Change a song’s key or pitch without changing speed.
- [How to speed up or slow down audio](https://trackmix.app/how-to/speed-up-slow-down-audio/): Change audio speed without the chipmunk effect.
- [How to make 8D audio](https://trackmix.app/how-to/make-8d-audio/): Turn a song into rotating 8D headphone audio.