Convert Audio Online Free — No Upload

How to Convert Audio

Upload your audio file

Drag and drop an audio file or click to select it. Supports MP3, WAV, FLAC, OGG, and AAC input formats.

Choose output format and settings

Select the target format and adjust bitrate, sample rate, and channel settings as needed.

Download the converted audio

Click convert and download the result. High-quality conversion with no server uploads.

Why use FyleTools to convert audio?

100% Private

Your audio files never leave your device. All conversion happens in your browser — no server uploads.

Free & Unlimited

No registration, no file limits, no watermarks. Convert as many audio files as you need, completely free.

Multiple Formats

Convert between MP3, WAV, FLAC, and OGG. Adjust bitrate and sample rate for the perfect balance of quality and file size.

Frequently Asked Questions

Are my audio files uploaded to a server?

No. All conversion happens in your browser. Your audio files never leave your device.

Which format should I choose?

MP3 for maximum compatibility, WAV for lossless quality, FLAC for lossless with smaller size, and OGG for open-source compatibility.

Does conversion affect audio quality?

Converting to lossless formats (WAV, FLAC) preserves full quality. Lossy formats (MP3, OGG) apply compression but maintain high perceived quality at recommended bitrates.

Can I adjust the bitrate?

Yes. Choose from standard bitrates to balance file size and quality. Higher bitrates produce larger files with better audio fidelity.

What is the difference between lossy and lossless audio formats?

Lossy formats (MP3, OGG, AAC) permanently remove some audio data to reduce file size — the quality loss is usually imperceptible at high bitrates. Lossless formats (WAV, FLAC) preserve every bit of the original audio with no quality loss. FLAC compresses losslessly, making it smaller than WAV with identical quality.

When should I use each audio format?

Use MP3 for maximum compatibility (all devices, players, websites). WAV for professional editing in a DAW. FLAC for archival and audiophile listening. OGG for open-source projects and web audio. AAC for Apple devices and streaming. When in doubt, MP3 at 192 kbps is a safe default for most uses.

Can I convert multiple audio files in one session?

The tool converts one file at a time with full control over output settings for each. After converting, you can use the Edit Metadata tool to tag each file, or the Compress Audio tool to reduce file size further.

What are the advantages of converting audio in-browser?

Browser-based conversion with FyleTools means no uploading files to a server, no waiting in processing queues, no file size limits, and complete privacy. Server-based converters often limit free users to small files, add watermarks, or require paid subscriptions for batch processing. FyleTools is 100% free with no restrictions.

Can I convert multiple files in one session?

The tool converts one file at a time. After downloading the result, upload the next file to convert it. To merge multiple converted files, use Merge Audio.

Will converting to MP3 remove metadata tags?

Basic metadata like title and artist is preserved during conversion when the target format supports it. To edit tags manually, use the Edit Audio Metadata tool.

What bitrate should I use for podcasts?

128 kbps mono MP3 is the standard for spoken-word podcasts. It provides clear voice quality at a compact file size.

Can I convert audio files on a Chromebook?

Yes. The tool runs entirely in the browser, so it works on Chromebooks, Linux, Windows, and macOS without any software installation.

When to Use This Tool

Convert FLAC or WAV files to MP3 for uploading to music platforms or sharing via email — or compress the audio to reduce file size further.

Convert MP3 recordings to WAV before importing into a DAW for professional audio editing.

Convert proprietary audio formats to OGG for use in open-source game engines or web applications.

Batch convert your music library from one format to another while preserving metadata and quality.

Supported Formats

Format	Description	Best For
MP3	Universal lossy audio	Music, podcasts, maximum compatibility
WAV	Uncompressed lossless	Professional editing, DAW import
FLAC	Compressed lossless	Archival, high-fidelity listening
OGG	Open-source Vorbis audio	Web projects, gaming, streaming
AAC	Advanced Audio Coding	Apple devices, streaming services

Tips & Best Practices

Use 320 kbps for MP3 if you want the highest quality lossy output — the difference from lossless is nearly inaudible.

Convert to FLAC instead of WAV for lossless archival — you get identical quality at roughly half the file size.

Choose 44100 Hz sample rate for music and 22050 Hz for speech to reduce file size without audible loss.

Converting from a lossy format to a lossless one will not restore lost quality — always keep your original source files. After converting, edit the metadata to keep your library organized, or compress the audio to reduce file size.

How It Works — 100% Private Processing

FyleTools runs FFmpeg as a WebAssembly module directly in your browser. When you convert audio, FFmpeg decodes the source file and re-encodes it to your chosen format and settings entirely on your device. No audio data is transmitted over the network at any point.