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Shrink MP3, WAV, M4A and FLAC files in your browser. Pick a quality level or an exact target size in MB — no upload, no watermark, no sign-up.
Join up to ten audio files into one track in your browser. Hard cuts, timed gaps, crossfades and automatic level matching between tracks.
Convert audio to and from MP3, WAV, M4A, AAC, OGG, Opus and FLAC. Batch up to ten files, with full control over bitrate, sample rate and bit depth.
Transcribe audio to editable text with OpenAI's Whisper running inside your browser. Timestamps, paragraphs, and export to TXT, SRT, VTT or CSV. No audio is uploaded.
Read text aloud with your device's own voices, or generate a downloadable MP3 with a neural voice model running in your browser. Free, unlimited, no sign-up.
Edit ID3 tags, artwork and album details on MP3, M4A and FLAC files without re-encoding. Bulk-tag a whole album, with automatic track numbering.
Make a quiet recording louder. Measures the file first with real peak and LUFS analysis, then lifts it by an exact amount with a limiter to stop clipping.
Trim MP3 and other audio with a drag-and-drop waveform. Keep a section or delete one, with an instant lossless mode and optional fades.
Run a recording through a proper mastering chain — high-pass, EQ, de-essing, compression and loudness — in one pass. Presets for podcasts, music, calls and lectures.
Remove background noise, hiss and hum from a recording with spectral noise reduction. Six presets, a 15-second preview, and it all runs in your browser.
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