Audio Converter - Free, Private & Offline
Audio Converter, free in your browser: m4a/ogg/flac to mp3 or wav, local re-encode. No upload, no sign-up, files stay on your device.
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What is Audio Converter?
Audio Converter is a free, private and fully offline audio converter tool that runs 100% in your web browser. It lets you m4a/ogg/flac to mp3 or wav, local re-encode. Every operation runs locally on your own device, with no servers and no account. Because it works without uploading your files, it is safe for confidential and sensitive documents and keeps working offline once the page has loaded. No file-size limits, no watermarks and no sign-up, just open the page and start instantly.
How to use Audio Converter
- Open Audio Converter. It loads instantly and runs entirely in your browser.
- Drop your file in. Nothing is uploaded; the file stays on your device.
- Adjust the available options to match exactly what you need.
- Get your result, private, offline and free.
Use cases
- Free, offline audio converter for confidential files you don't want to upload anywhere.
- Work with sensitive material privately on locked-down or air-gapped devices.
- Quick one-off audio converter when you just want a result without signing up or paying.
- High-volume work where a cloud SaaS would be slow, costly or non-compliant.
Frequently asked questions
Is Audio Converter free?
Yes, Audio Converter is completely free with no paywall, trials or usage caps. Every TabTasker tool is free forever.
Does Audio Converter work offline and keep my files private?
Yes. Audio Converter runs 100% client-side in your browser using Web Workers and modern browser APIs. Your files are never uploaded and it keeps working offline once the page has loaded.
Is this audio converter tool better than online tools that upload my files?
For privacy, yes. Most online audio converter services upload your files to a server. TabTasker does everything locally, so nothing leaves your device, ideal for sensitive or confidential documents.
Do I need to create an account or install anything?
No. No account, no extension and no install, just open the page and start. It works on any modern browser, desktop or mobile.
Related audio tools
- Speech to Text - Whisper transcription, fully in your browser.
- Audio Workspace - Trim, denoise and convert audio in one workspace.
- Audio Trimmer - Cut clips with a waveform editor.
- Transcription Player - Play audio and take timestamped notes.
- Audio Compressor - Reduce bitrate and shrink file size.