Free Online Audio Converter
Convert Audio Files Between Any Format — Fast and Private
This audio converter handles MP3, WAV, AAC, OGG, FLAC, M4A, WMA, and more — in every direction. Turn a WAV into a compact MP3, convert FLAC to M4A for your phone, switch OGG to AAC for better compatibility, or go any other route you need. Everything processes in your browser. Your files never leave your device, no software to install, and no accounts to create.
Drop files here or click to browse
Supports images, audio, and video files
When You Need an Audio Converter
Audio comes in dozens of formats, and not every device, app, or platform supports them all. A good audio converter bridges those gaps so your files work wherever you need them.
Fix Format Compatibility Issues
Your car stereo only reads MP3. Your editor wants WAV. A podcast platform rejects your OGG file. Run it through this audio converter and get the exact format you need in seconds. One tool handles every format pair.
Reduce File Size or Upgrade Quality
Convert large WAV or FLAC recordings to MP3 or AAC for smaller files. Or turn a compressed file into WAV before importing into an editor so your processing chain starts with an uncompressed working copy.
Move Audio Across Different Ecosystems
Switching from iPhone to Android means converting M4A to MP3. A DJ app might require WAV. A platform only takes OGG. This audio converter removes the friction when files travel between devices, apps, and services.
Why This Audio Converter Is Worth Bookmarking
There is no shortage of audio converters online, but most come with drawbacks — slow uploads, format limits, privacy concerns, or aggressive upsells. Here is what sets this one apart.
Private by Design — Zero Uploads
This audio converter processes files in your browser using WebAssembly. Your audio never leaves your device or passes through a server. Convert unreleased tracks or personal recordings with total confidence.
Every Format in Every Direction
MP3, WAV, AAC, OGG, FLAC, M4A, WMA — convert any of these to any other. This audio converter handles every combination, so you need just one bookmarked page for all format pairs.
Control Over Output Quality
Choose bitrate for lossy formats like MP3 and AAC — from 128 kbps for compact files to 320 kbps for premium quality. For WAV or FLAC, you get lossless output automatically.
Batch Convert an Entire Collection
Got fifty FLAC tracks that need to be MP3? Drag them all in. The converter processes files in parallel with downloads available individually or as one ZIP. Perfect for a full album or sound library.
Runs on Any Device with a Browser
Windows, Mac, Linux, Chromebook, iPhone, Android — if it has a browser, it runs this audio converter. No app to install, no plugin needed. Open the page and start converting.
Completely Free — No Tricks or Limits
No account required, no file-size cap, no daily limits, no premium tier. A genuinely free audio converter you can use as often as you like without paywalls.
How to Convert Audio Files Online
Three steps — the same process whether you are converting one track or an entire playlist.

Add Your Audio Files
Open videotoaudio.net and drag your audio files onto the page — MP3, WAV, FLAC, M4A, AAC, OGG, WMA, or any other format. Add a single track or drop a whole batch at once.
Choose Your Target Format and Quality
Select the output format from the dropdown. For lossy formats, pick a bitrate. For lossless formats like WAV and FLAC, no extra settings are needed. Use the batch option to apply the same format across all files.
Download the Converted Audio
Press convert and each file is processed in seconds. Save tracks individually or download everything as a ZIP. Your audio conversion is complete with no waiting for email links or server processing.
Format-Specific Converters
Audio Converter — Frequently Asked Questions
Which audio formats does this converter support?
MP3, WAV, AAC, OGG, FLAC, M4A, WMA, and more. Convert between any supported pair — FLAC to MP3, WAV to AAC, M4A to OGG, or any other combination.
What is the best format for everyday listening?
MP3 at 192 kbps or higher is the safest choice — it plays on every device and platform. AAC at the same bitrate sounds slightly better but has less universal support. For most people, MP3 is the hassle-free pick.
When should I convert to WAV or FLAC instead of MP3?
Choose WAV or FLAC for lossless quality — audio editing, music production, archiving, or workflows where you might re-encode later. WAV is uncompressed and universal; FLAC is lossless with smaller files.
Does converting between lossy formats reduce quality?
Each lossy encoding pass discards audio data. Going from one lossy format to another means two rounds of compression, which can introduce artifacts. Start from a lossless source if possible. A single conversion usually produces minor, hard-to-notice loss.
Can I convert audio files without uploading them to a server?
Yes — all processing happens in your browser using WebAssembly. Your files never leave your device and no data is sent to any server. The most private way to convert audio online.
How do I convert a large batch of audio files at once?
Drag all files in at once. Use the batch option to apply the same format and bitrate to every file, then press convert. Download individually or grab the complete batch as a ZIP.
What bitrate should I use for MP3 or AAC output?
For speech like podcasts, 128 kbps sounds clear and stays small. For music, 192 kbps is the sweet spot. For critical listening or archival, 320 kbps gives the highest lossy quality available.