Free Audio Tools That Run in Your Browser
Compress WAV files, convert between MP3, FLAC, OGG, and WAV, cut audio clips, and merge tracks. All processed locally on your device. No account, no upload, no watermark.
WAV Compressor
Compress WAV files directly in your browser. Choose an output format and quality, then download a smaller audio file, with no uploads.
WAV File Size Reducer
Reduce the size of a WAV file in your browser by lowering the sample rate, bit depth, or channel count, with full control over quality.
Audio Compressor
Compress MP3, WAV, FLAC, OGG, and M4A audio files locally. Pick a target format and quality, then download the smaller file.
WAV to MP3
Convert WAV to MP3 in your browser. Choose a bitrate, keep your sample rate and channels, and download an MP3 that plays anywhere.
WAV to FLAC
Convert WAV to FLAC losslessly in your browser. Keep every sample while cutting the file size dramatically, with no uploads.
WAV to OGG
Convert WAV to OGG Vorbis in your browser. Open, modern, and efficient, with smaller files than MP3 at the same quality.
Audio Cutter
Cut or trim any audio file in your browser. Enter exact start and end times and download the clip. Your file never leaves your device.
Audio Merger
Merge multiple audio files into one track in your browser. Reorder clips, mix sample rates automatically, and download the combined file.
Audio tools, explained
Practical answers about local audio compression, conversion, and editing.
What is the fastest way to make a WAV file smaller?
Use the WAV Compressor and pick MP3 or OGG. Lossy formats cut WAV files by roughly 85-95% with little audible difference. For lossless reduction, convert to FLAC.
Which output format should I choose?
MP3 plays everywhere and is a safe default. FLAC is lossless and ideal for archives. OGG is open and efficient. WAV output is useful when you need uncompressed audio at a lower sample rate or bit depth.
Do these tools upload audio to a server?
No. All decoding and encoding happens inside your browser using Web Audio and local WASM codecs. Aback Audio has no audio-processing backend.
What quality setting should I use?
For MP3, 192 kbps sounds essentially identical to the original for most people. Choose 320 kbps for critical listening. For OGG, the Standard quality preset is a balanced default.
Can I edit files on my phone?
Yes. Every tool is responsive and touch-friendly, processes locally, and warns before attempting unusually large files that could exceed mobile memory.