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Free Audio Converter Online

Convert audio between WAV and OGG formats with sample rate & channel control. Batch convert multiple files. No install, no sign up. 100% private.

Audio Format Converter

Drag & drop audio files here

or click to browse • MP3, WAV, FLAC, OGG, M4A, WebM, AIFF, MP4 • Max 50MB each

WAV vs MP3 vs OGG vs FLAC: Which Audio Format Should You Use? (2026)

Choosing the right audio format affects file size, quality, and compatibility. Whether you're producing music, creating podcasts, editing video, or archiving recordings, this guide tells you exactly which format to use for every situation.

Audio Format Comparison Table

FormatTypeQualityFile Size (3 min song)Best For
WAVLossless (uncompressed)Perfect~30 MBProduction, editing, archiving
FLACLossless (compressed)Perfect~15 MBMusic libraries, audiophile archiving
MP3Lossy (320kbps)Very good~7 MBGeneral listening, podcasts, compatibility
OGG (Vorbis)LossyVery good~5 MBStreaming, games, web audio
AAC (M4A)LossyVery good~6 MBApple ecosystem, streaming

When to Use Each Format

WAV — Use for Production & Editing

WAV is uncompressed PCM audio. It's the standard for audio production because it preserves every sample exactly as recorded. Use WAV when:

  • Recording and editing audio (DAW projects)
  • Exporting final masters for distribution
  • Converting between formats (always convert FROM WAV for best results)
  • Creating audio for video production

OGG — Use for Web & Streaming

OGG Vorbis offers better quality than MP3 at the same bitrate and is completely open-source (no licensing fees). Use OGG when:

  • Streaming audio on websites or apps
  • Game audio (smaller files, good quality)
  • Web applications (HTML5 Audio API supports OGG natively)
  • You want smaller files than WAV without MP3 licensing concerns

Sample Rate Guide

Sample RateQualityUse Case
8 kHzPhone qualityVoicemail, basic speech
22.05 kHzAM radio qualityVoice recordings, podcasts
44.1 kHzCD qualityMusic, general audio (standard)
48 kHzVideo standardVideo production, film audio
96 kHzHi-ResStudio recording, audiophile archiving

Rule of thumb: For music, always use 44.1kHz or higher. For voice/podcasts, 22kHz is sufficient and halves the file size. For video, match your video project's sample rate (usually 48kHz).

How to Convert Audio Online (Step-by-Step)

  1. Upload files to the converter above (batch supported — upload multiple files at once)
  2. Choose output format (WAV for quality, OGG for smaller size)
  3. Set sample rate (44.1kHz for music, 48kHz for video, 22kHz for voice)
  4. Choose channels (stereo for music, mono for voice to save space)
  5. Click Convert & Download — all files are converted with the same settings

Common Conversion Scenarios

ScenarioConvert ToSettings
Podcast for hostingMP3 → WAV44.1kHz, Stereo
Video project audioAny → WAV48kHz, Stereo
Web streamingAny → OGG44.1kHz, Stereo
Voice memo archiveM4A → WAV22kHz, Mono
Music productionMP3 → WAV44.1kHz, Stereo

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How to Convert Audio Online

  1. Upload Your Audio Files

    Drag and drop one or more files, or click to browse. We support MP3, WAV, FLAC, OGG, M4A, WebM, AIFF, and MP4 formats up to 50MB each.

  2. Choose Output Settings

    Select the output format (WAV or OGG), sample rate (8kHz to 96kHz), and channel configuration (mono or stereo).

  3. Convert & Download

    Click "Convert & Download" to process all files. Each converted file is downloaded automatically with the same settings.

Why Use ChangerAudio Audio Converter?

No Sign Up

No account needed. Just open and convert instantly.

Batch Conversion

Convert multiple files at once with consistent settings.

100% Free

No watermarks, no limits. Convert unlimited files forever free.

Full Control

Choose format, sample rate, and channels for precise output.

Frequently Asked Questions

What audio formats can I convert to?

You can convert to WAV (lossless, highest quality) or OGG (compressed, smaller file size). Input supports MP3, WAV, FLAC, OGG, M4A, WebM, AIFF, and MP4 formats.

Does converting audio reduce quality?

Converting to WAV is lossless — no quality is lost. Converting to OGG uses Vorbis compression which is high quality but lossy. Higher sample rates preserve more audio detail.

What sample rate should I choose?

44.1kHz is standard for music (CD quality). 48kHz is standard for video. 22kHz is sufficient for voice/speech. 96kHz is for high-resolution audio production.

Is the audio converter free?

Yes, 100% free with no watermarks, no sign up, and no limits. All processing happens locally in your browser — your files are never uploaded to a server.

Can I convert multiple files at once?

Yes! Our converter supports batch conversion. Upload multiple files, set your output preferences once, and all files are converted with the same settings.