Audio Tools

Free browser audio tools to convert formats, adjust bitrate and compress files without uploading recordings.

Conversions

Audio Converter

Convert between formats

Compress Audio

Reduce audio size

Supported Formats

About Audio Tools

Audio tools convert and compress sound files entirely in your browser. Switch between MP3, WAV, AAC, M4A, OGG, FLAC, Opus and related formats, tune sample rate and channels, and prepare tracks for publishing — privately and without desktop installers.

Best for

  • Converting lossless WAV/FLAC to shareable MP3
  • Preparing voice notes for web platforms
  • Batch converting album tracks for mobile
  • Reducing podcast file sizes before upload

Pros

  • +Local conversion keeps voice notes private
  • +Lossless and lossy targets available
  • +Batch multi-file workflows
  • +No account or installer required

Cons

  • −Surround multi-track editing is limited
  • −Very large uncompressed files need RAM
  • −Quality depends on chosen bitrate

How to use Audio Tools tools

  1. 1

    Pick the Audio Tools tool you need from the list below — every tool runs locally in your browser.

  2. 2

    Upload your file(s) from your PC, Mac or mobile device, or simply drag and drop them onto the page. You can add more files to process them together.

  3. 3

    Use the gear icon to specify codec, quality, aspect ratio or other settings and apply them to all files if you want.

  4. 4

    Click Convert to start the process. When the conversion finishes, download the result or save it back to Google Drive / Dropbox.

Frequently Asked Questions

Are audio tools free?
Yes. Conversion and compression are free with no file-count limits.
Are recordings uploaded?
No. Audio processing stays in your browser.
Will conversion reduce quality?
Lossy formats re-encode; choose a higher bitrate to minimize loss. WAV/FLAC stay lossless.
Can I batch convert?
Yes. Upload multiple tracks and convert them together.
Which formats are supported?
MP3, WAV, AAC, M4A, OGG, FLAC, Opus, AIFF, M4B, MP2 and CAF.
Can I compress an MP3 further?
Yes. Lower bitrate/size while controlling the quality trade-off.
Do I need to install software?
No. Everything runs in a modern web browser.
Is offline use possible?
After codecs load, local conversion continues without re-uploading.
FREE

100% Free

No hidden fees, no subscriptions, and no limits. Enjoy complete access to all features gratis.

SIGNUP

No Signup Required

Start converting immediately without creating an account or sharing email address.

PRIVACY

Private & Secure

Your files never leave your device. All processing is completed locally for maximum privacy.

BATCH

Batch Conversion

Convert multiple files simultaneously to save time. Fast and efficient multi-file queue.

LOCAL

Runs in Browser

Utilizes advanced client-side WebAssembly technology to process files directly inside your tab.

FORMATS

200+ Formats

Supports a wide variety of formats including images, documents, audio, video, and more.

USER REVIEWS

Audio Tools Quality Rating

4.8
25 reviews

How was your experience? You need to convert and download at least one file to provide feedback!