Enhance audio. Generate captions. Remove dead air.
Start free with 3 uploads a day, files up to 50 MB, boost to 120%, and a 3-band EQ. Pro unlocks 800% boost, the 10-band EQ, AI captions, Magic Cut, dubbing, and clip discovery.
How it works
Drop your file
Drag & drop any MP3, WAV, FLAC, AAC, or M4A file. Nothing is uploaded — everything stays on your device.
Enhance with AI
Preview volume and EQ, review captions and proposed cuts, then export. Noise reduction is applied during export.
Export everything
Download enhanced WAV, or use Pro for MP3, SRT captions and compatible video. Processing time depends on your file and device.
Everything creators need
Mastering-Grade Volume Boost
Amplify audio up to 800% with a 3-band loudness maximizer and look-ahead limiter designed to reduce digital clipping. Very large boosts can still expose distortion in the source or exceed the limits of the output device.
AI Auto Captions
Pro feature. Generate subtitles with a Whisper model running directly in your browser, review the result, and export SRT for common video platforms and editors.
Magic Cut
Pro feature. Detect silence and filler words such as "um" and "uh", then review every suggested cut before exporting.
Local File Processing
Your audio file is decoded and processed locally rather than uploaded to Hearably. Model downloads and ordinary page analytics still use network requests; see the privacy policy for details.
Frequently Asked Questions
What can Hearably Studio do?
Hearably Studio processes files locally in your browser. The free tier includes 3 uploads per day up to 50 MB, a 30-second preview, boost to 120%, and a 3-band EQ. Pro unlocks boost to 800%, the 10-band EQ, on-device AI captions, Magic Cut, dubbing, and the clip finder.
How does the AI captioning work?
Hearably Pro runs a Whisper speech-recognition model directly in your browser using WebAssembly. The first use downloads and caches a model of about 150 MB. Later runs can reuse that cache. Captions export as SRT subtitle files alongside your enhanced audio.
What is Magic Cut?
Magic Cut proposes silence and English filler-only segments for removal from one audio file. Review each KEEP/CUT choice, confirm the cuts, then export. It does not cut the video timeline or process a batch.
How do I boost audio volume with look-ahead limiting?
Hearably Pro uses a 3-band Linkwitz-Riley crossover, per-band compression, and a custom look-ahead limiter. The limiter reduces digital clipping, but high gain can still expose source distortion or exceed the limits of speakers and headphones. Increase gain gradually.
What formats are supported?
Audio import depends on browser codec support; common formats include MP3, WAV, FLAC, AAC and M4A. Free exports 16-bit WAV; Pro adds MP3 at 320 or 192 kbps and compatible video export as MP4. Captions export as separate SRT files, bundled with media in a ZIP. Captions are not burned into the video.
Is my data private?
File decoding and processing happen locally in your browser using the Web Audio API, OfflineAudioContext, and WebAssembly. Hearably does not upload the audio file to its servers. Model downloads and ordinary page analytics still require network requests, so review the privacy policy for the complete data boundary.
What is a look-ahead limiter?
A look-ahead limiter is a professional audio tool that delays the signal by a few milliseconds to detect peaks before they happen. When a peak is detected, the limiter smoothly reduces gain to prevent clipping — unlike a standard limiter that reacts after distortion has occurred. Hearably uses a 5ms look-ahead buffer implemented as a custom AudioWorklet, the same technology used in professional mastering studios.
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Real-time DSP for the places you actually listen.