100% Local Processing

The ultimate online audio editor, right in your browser.

SmartKit's AudioKit is a powerful online audio editor that uses advanced WebAssembly to process files locally on your device. Trim, merge, compress, convert, split, and adjust volume without installing any software.

100% Private Processing
Instant Zero-Wait Speed
Free Without Limits
Drop a File Make Edits Export & Download

Precision Trimming

Visually drag across the waveform or type exact millisecond timestamps to cut out silence or unwanted sections.

Format Conversion

Quickly convert any audio file into MP3, WAV, OGG, AAC, or FLAC formats natively without data loss.

Volume Control

Boost quiet recordings up to 200% or lower the volume of loud tracks with a simple interactive slider.

Merge Audio

Combine multiple tracks seamlessly into a single file to piece together split recordings or podcast episodes.

Audio Compressor

Shrink large audio files to fit email and social media size limits without noticeably degrading the quality.

Extract from Video

Drag and drop an MP4 or video file into the editor to easily extract and convert it to an MP3 or WAV audio file.

Start editing audio instantly

No downloads, no signup, totally private.

Get Started Free