--- title: "Free Audio Converter - Convert MP3, WAV, M4A, OGG, FLAC" description: "Free online audio converter. Convert between MP3, WAV, M4A, OGG, FLAC formats. Fast, secure, and works in your browser. No downloads required." url: "https://speechyou.com/tools/audio-converter" --- Free Tool # Audio Converter Convert between MP3, WAV, M4A, OGG, FLAC formats. Fast and free online audio conversion. ### Upload Audio File Click to browse or drag and drop Supports MP3, WAV, M4A, OGG, FLAC ## How to convert audio online Convert between MP3, WAV, M4A, OGG, and FLAC in three steps. 1. 1 ### Upload your audio file Drag and drop your file or click to browse. The converter accepts MP3, WAV, M4A, OGG, FLAC, and AAC files and works entirely in your browser. 2. 2 ### Choose the output format Select the format you want, such as MP3 to WAV or M4A to MP3. Pick a lossless format like WAV or FLAC to preserve full quality, or MP3 for a smaller file. 3. 3 ### Download the converted file Conversion runs locally and finishes in seconds. Download the new file instantly with no watermark and no sign-up. ## Convert between any audio format Different devices and apps expect different audio formats. An audio converter lets you move freely between them, whether you need to convert MP3 to WAV for editing, WAV to MP3 for sharing, or M4A to MP3 so an Apple Voice Memo plays everywhere. Lossless formats such as WAV and FLAC keep every detail of the original recording, which is ideal for editing and archiving. Lossy formats such as MP3, M4A, and OGG use far less space and are perfect for streaming, email, and everyday listening. This converter runs in your browser using the Web Audio API, so your files are processed on your own device and never uploaded to a server. That keeps interviews, meetings, and personal recordings private. ## Supported audio formats Convert in any direction between these formats. | Format | Type | Best for | | --- | --- | --- | | MP3 | Lossy | Universal playback, small file size | | WAV | Lossless | Editing and archiving, highest quality | | M4A / AAC | Lossy | Apple devices, efficient compression | | OGG | Lossy | Open-source apps and web audio | | FLAC | Lossless | High-fidelity music without large WAV sizes | ## Popular conversions The most common format pairs people convert with this tool. | Conversion | What it's for | | --- | --- | | MP3 to WAV | Turn a compressed MP3 into an uncompressed WAV for editing. | | WAV to MP3 | Shrink a large WAV recording into a shareable MP3. | | M4A to MP3 | Make Apple Voice Memos and iTunes audio universally playable. | | OGG to MP3 | Convert web or game audio to a widely supported format. | | FLAC to MP3 | Compress lossless music for phones and streaming. | | MP3 to M4A | Repackage audio for the Apple ecosystem. | ## Frequently Asked Questions ### Is this audio converter free? Yes. The Speechyou audio converter is free with no sign-up, no watermark, and no daily limit. You can convert as many files as you need. ### How do I convert MP3 to WAV? Upload your MP3 file, choose WAV as the output format, and click convert. The tool decodes the MP3 and re-encodes it as an uncompressed WAV file that you can download immediately. ### Can I convert WAV to MP3 to reduce file size? Yes. Converting WAV to MP3 is one of the most common uses because it can shrink a file by more than 90% while staying easy to play and share. ### Does converting audio reduce quality? Converting to a lossless format like WAV or FLAC preserves quality. Converting to a lossy format like MP3, M4A, or OGG discards some data, but at higher bitrates the difference is hard to hear. ### Which audio formats are supported? You can convert between MP3, WAV, M4A, AAC, OGG, and FLAC in any combination, including MP3 to WAV, WAV to MP3, M4A to MP3, and FLAC to MP3. ### Are my files uploaded to a server? No. All conversion happens locally in your browser, so your audio files stay private on your own device and never touch a server. ## Need Audio Transcription? Convert your audio to text with AI-powered transcription. Supports [1,700+ languages](https://speechyou.com/languages) with 95%+ accuracy. [Try Speechyou Free](https://app.speechyou.com/sign-up) Try Speechyou free for 3 days. ## More Free Tools Free browser-based audio and text tools. No downloads, no sign-ups. [ ### Voice Recorder Record audio directly in your browser. Download as WAV or MP3. Open tool](https://speechyou.com/tools/voice-recorder)[ ### Audio Trimmer Cut and trim audio files online. Export as MP3 or WAV. Open tool](https://speechyou.com/tools/audio-trimmer)[ ### Audio Merger Combine multiple audio files into one track. Open tool](https://speechyou.com/tools/audio-merger)[ ### MP3 Compressor Reduce audio file size while keeping the quality high. 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