# MP3 Tag Editor > Free browser-based audio toolbox. Edit ID3 tags (title, artist, album, > genre, year, track number, cover art) for MP3, FLAC, OGG, WAV, and M4A > files, plus 19 more audio tools (convert, trim, merge, ringtone maker, BPM > detector, vocal remover, and more). Everything runs locally in the browser > via WebAssembly — files are never uploaded to a server. No installation, no > account, no watermark. Available in 16 languages with a free Android app. ## Tag Editor - [MP3 Tag Editor](https://mp3-tag-editor.com/upload): edit ID3 tags (v1, v2.3, v2.4) and cover art for MP3, FLAC, M4A/AAC, OGG and WAV entirely in the browser. Batch-edit up to 20 files with "apply to all", download one file directly or many as a single ZIP. No upload, no file-size limit. ## Audio Tools All tools run client-side (FFmpeg/WebAssembly or Web Audio API) — audio is processed on the user's device and never sent to a server. - [Audio Converter](https://mp3-tag-editor.com/tools/audio-converter): convert between MP3, WAV, FLAC, M4A, AAC, OGG and OPUS with selectable bitrate. - [Audio Trimmer](https://mp3-tag-editor.com/tools/audio-trimmer): cut audio with a visual waveform, optional fade in/out. - [Ringtone Maker](https://mp3-tag-editor.com/tools/ringtone-maker): make iPhone (.m4r) or Android (.mp3) ringtones from any song. - [Video to MP3](https://mp3-tag-editor.com/tools/video-to-mp3): extract the audio track of MP4, MOV, WebM and other videos to MP3. - [Audio Merger](https://mp3-tag-editor.com/tools/audio-merger): join up to 12 files into one track; output as MP3, M4A, WAV or FLAC. - [Audio Compressor](https://mp3-tag-editor.com/tools/audio-compressor): shrink audio file size for email or messaging apps. - [Audio Normalizer](https://mp3-tag-editor.com/tools/audio-normalizer): even out loudness to LUFS standards for streaming and podcasts. - [Vocal Remover](https://mp3-tag-editor.com/tools/vocal-remover): remove vocals to create karaoke / instrumental tracks. - [BPM Detector](https://mp3-tag-editor.com/tools/bpm-detector): detect the tempo (beats per minute) of any song. - [Music Equalizer](https://mp3-tag-editor.com/tools/equalizer): 10-band graphic EQ with live preview and presets. - [Bass Booster](https://mp3-tag-editor.com/tools/bass-booster): add deep, punchy bass to any track. - [Change Speed](https://mp3-tag-editor.com/tools/change-speed): speed up or slow down audio without changing pitch. - [Change Pitch](https://mp3-tag-editor.com/tools/change-pitch): shift pitch by semitones while preserving tempo. - [Change Volume](https://mp3-tag-editor.com/tools/change-volume): make audio louder or quieter (gain adjustment). - [Slowed + Reverb](https://mp3-tag-editor.com/tools/slowed-reverb): create the slowed-and-reverb version of a song. - [8D Audio Maker](https://mp3-tag-editor.com/tools/8d-audio): convert songs to immersive 8D/3D audio (headphones). - [Silence Remover](https://mp3-tag-editor.com/tools/silence-remover): automatically cut silent gaps from audio. - [Reverse Audio](https://mp3-tag-editor.com/tools/reverse-audio): play any track backwards and download it. - [Video Silence Remover](https://mp3-tag-editor.com/tools/video-silence-remover): auto jump-cut — remove silent parts from short videos (MP4 output). ## Supported Formats Audio: MP3, FLAC, OGG, WAV, M4A, AAC (converter also outputs OPUS). Video input (video tools): MP4, MOV, WebM, MKV. Artwork: JPEG, PNG, GIF. ## Privacy All processing happens client-side in the browser — files never leave the user's device and nothing is uploaded to or stored on a server. No account is required. ## Pricing Free with ads; no limits on use. Premium ($5/month or $48/year) removes ads. Payment via TON (Toncoin) or PayPal. ## Key Pages - [Tag Editor](https://mp3-tag-editor.com/upload) - [All tools](https://mp3-tag-editor.com/tools) - [How-to guide](https://mp3-tag-editor.com/how-to) - [Pricing](https://mp3-tag-editor.com/pricing) - [Privacy policy](https://mp3-tag-editor.com/privacy) ## Languages English (default, at /), plus Spanish (/es/), French (/fr/), German (/de/), Portuguese (/pt/), Italian (/it/), Dutch (/nl/), Polish (/pl/), Russian (/ru/), Turkish (/tr/), Indonesian (/id/), Japanese (/ja/), Chinese (/zh/), Korean (/ko/), Hindi (/hi/), Arabic (/ar/). Every tool page exists in every language under the same path with the language prefix.