# PitchChanger.io

> Free browser-based audio tools — pitch shifting, speed changing, vocal removal, AI stem splitting, voice recording, audio conversion, trimming and cutting, mastering, reverb and delay, 8D audio, slowed + reverb, guitar tuning, a metronome, and key/BPM detection. All processing runs 100% client-side; files never leave the user's device.

## Languages

Available in 25 languages with full native translations: English (default, unprefixed `/`), Spanish (`/es`), Mandarin Chinese (`/zh`), Hindi (`/hi`), French (`/fr`), Arabic (`/ar`), Bengali (`/bn`), Portuguese (`/pt`), Russian (`/ru`), Urdu (`/ur`), Indonesian (`/id`), German (`/de`), Japanese (`/ja`), Marathi (`/mr`), Telugu (`/te`), Turkish (`/tr`), Tamil (`/ta`), Vietnamese (`/vi`), Filipino (`/fil`), Korean (`/ko`), Persian (`/fa`), Italian (`/it`), Thai (`/th`), Polish (`/pl`), Ukrainian (`/uk`). Locale auto-detects from Accept-Language; RTL supported for Arabic, Urdu, Persian.

## Tools

- [Homepage](https://pitchchanger.io): Free online pitch changer — shift pitch ±12 semitones without changing speed, adjust tempo independently, export to WAV.
- [Audio Pitch Changer](https://pitchchanger.io/audio-pitch-changer): Free online pitch shifting tool — transpose songs, change key, shift pitch. Supports MP3, WAV, FLAC, M4A, AAC.
- [Audio Speed Changer](https://pitchchanger.io/audio-speed-changer): Free online speed/tempo changer (0.5×–1.5×) without affecting pitch. Ideal for music practice, transcription, and BPM adjustment.
- [Vocal Remover](https://pitchchanger.io/music-tools/vocal-remover): Free online AI vocal remover — separate any song into instrumental and vocal tracks instantly in the browser.
- [Audio Converter](https://pitchchanger.io/music-tools/audio-converter): Free online audio converter — convert between MP3, WAV, FLAC, AAC, OGG, AIFF, and ALAC with full quality control. Batch supported.
- [Tap BPM Detector](https://pitchchanger.io/music-tools/tap-bpm): Free online BPM finder and tempo counter. Tap spacebar or click to detect beats per minute of any song. Includes BPM-by-genre chart and how-to guide.
- [Metronome](https://pitchchanger.io/music-tools/metronome): Free online metronome with adjustable BPM (40–240), multiple click sounds, visual beat indicator, and beat-per-measure control.
- [Audio Trimmer](https://pitchchanger.io/music-tools/audio-trimmer): Free online audio trimmer — cut the start and end, add fade-in/fade-out with 3 curve types. 100% in your browser.
- [Reverb & Delay](https://pitchchanger.io/music-tools/reverb-delay): Free online reverb and delay — adjustable reverb and echo sliders, WAV export. 100% in your browser.
- [Online Mastering](https://pitchchanger.io/music-tools/mastering): Free online mastering — 6 real-time sliders (EQ Low/Mid/High, Compression, Saturation, Volume), A/B comparison, instant preview, WAV export. 100% in your browser.
- [8D Audio Converter](https://pitchchanger.io/music-tools/8d-audio): Free online 8D audio generator — create immersive spatial audio with adjustable rotation speed, depth, and reverb. 4 presets, MP3/WAV export. 100% in your browser.
- [Guitar Tuner](https://pitchchanger.io/music-tools/guitar-tuner): Free online guitar tuner using the microphone — real-time pitch detection with cents-accurate needle, standard/Drop D/half-step-down/DADGAD presets, chromatic mode, and reference tones. 100% in your browser.
- [Slowed + Reverb Maker](https://pitchchanger.io/music-tools/slowed-reverb): Make slowed + reverb, sped-up, nightcore, or daycore audio with linked speed and pitch, convolution reverb, live preview, and MP3/WAV export.
- [Audio Cutter](https://pitchchanger.io/music-tools/audio-cutter): Free online audio cutter — cut songs into pieces, delete or reorder sections, and rejoin them with smooth crossfades. Beat snapping keeps edits musical. 100% in your browser.
- [Stem Splitter](https://pitchchanger.io/music-tools/stem-splitter): Free online AI stem splitter — separate any song into Vocals, Drums, Bass, and Music stems with a 4-track mixer (solo/mute per stem) and one-click minus-one downloads (instrumental, acapella, drumless, bassless). Runs on the device GPU in the browser; requires a WebGPU desktop browser (Chrome, Edge, or Safari 26+).
- [Voice Recorder](https://pitchchanger.io/music-tools/voice-recorder): Free online voice recorder — record from the computer or phone microphone with a 3-2-1 countdown, pause/resume, live level meter, four selectable compression levels with instant A/B preview, and WAV or 320 kbps MP3 download. Nothing is uploaded.

## Guides

- [How to Change Pitch Online](https://pitchchanger.io/change-pitch-online): Step-by-step guide to changing the pitch of a song for free using a browser-based tool.
- [How to Change the Key of a Song](https://pitchchanger.io/how-to-change-the-key-of-a-song): Fastest way to transpose music online for free — perfect for singers and musicians.
- [Change Pitch vs Change Speed](https://pitchchanger.io/change-pitch-vs-change-speed): Explains the difference between pitch shifting and tempo changes, and when to use each.
- [How to Remove Vocals from a Song](https://pitchchanger.io/how-to-remove-vocals-from-a-song): Step-by-step guide to creating karaoke tracks and extracting instrumentals using AI.
- [Audio Formats Explained](https://pitchchanger.io/audio-formats-explained): Complete comparison of MP3, WAV, FLAC, AAC, OGG, AIFF, and ALAC — which format to use and why.
- [Lossless vs Lossy Audio](https://pitchchanger.io/lossless-vs-lossy-audio): When FLAC beats MP3, whether you can hear the difference, and how to avoid the re-encoding trap.
- [Convert to MP3](https://pitchchanger.io/convert-to-mp3): How to convert WAV, FLAC, OGG, and M4A to MP3. Recommended bitrate settings, generation loss warnings, and step-by-step guide.
- [Convert to WAV](https://pitchchanger.io/convert-to-wav): How to convert MP3, FLAC, OGG, and M4A to WAV. Bit depth and sample rate guide, quality expectations, and step-by-step instructions.
- [Audio Cutter](https://pitchchanger.io/audio-cutter): How to cut audio online, choose precise start and end points, add fades, and make song clips, podcast edits, samples, or ringtones.
- [MP3 Cutter](https://pitchchanger.io/mp3-cutter): How to cut MP3 files into ringtones and song clips, with MP3 quality guidance and iPhone vs Android ringtone facts.
- [How to Make Slowed and Reverb](https://pitchchanger.io/how-to-make-slowed-and-reverb): Why pitch falls with playback speed, how to balance reverb, avoid mud, and make daycore.
- [Nightcore Maker](https://pitchchanger.io/nightcore-maker): Make nightcore online and learn the style’s speed-plus-pitch recipe, culture, and difference from plain sped-up audio.
- [Sped Up Song Maker](https://pitchchanger.io/sped-up-song-maker): Make a tasteful sped-up version, choose a 1.15×–1.25× ratio, and recognize when a vocal cannot carry more speed.
- [Online Audio Editor](https://pitchchanger.io/online-audio-editor): Overview of editing audio in the browser — which free tool to use for cutting, trimming, converting, mastering, and stem separation.
- [Extract Drums from a Song](https://pitchchanger.io/extract-drums-from-song): How to isolate the drum track from any song using AI stem separation, entirely in the browser.
- [Drumless Track Maker](https://pitchchanger.io/drumless-track-maker): How to make a drumless backing track (minus-one) from any song so drummers can play along.
- [How to Record Audio Online](https://pitchchanger.io/how-to-record-audio-online): Record from the microphone in the browser with no install — honest guide including what browsers cannot capture (system audio) and when built-in OS recorders are better.
- [Record Voice Memos Online](https://pitchchanger.io/record-voice-memos-online): Capture voice memos on any phone or computer in the browser — no app, no account, files download as MP3/WAV.

## Optional

- [Full details for LLMs](https://pitchchanger.io/llms-full.txt): Extended reference with per-tool capabilities, limitations, and recommendation guidance.
- [Resources Hub](https://pitchchanger.io/resources): Browse all guides and tutorials.
- [Contact](mailto:contact@pitchchanger.io): Reach the team at contact@pitchchanger.io.