FLAC FORMAT HUB

FLAC Converter

A lossless audio format that reduces file size without discarding decoded audio information.

Best forLossless music libraries, archiving and high-quality audio workflows.Keep in mindConverting a lossy source such as MP3 to FLAC does not restore missing quality.

Start FLAC Conversion

Converter readyUp to 400 MB per request • 250 MB per file

250 MB per file400 MB per request45 min max video~30 min auto-delete

Drop FLAC files here or click to browse from your device No files selected MP4, MOV, MKV, AVI, WebM, MP3, WAV, FLAC, M4A, AAC, OGG, OPUS + more

Popular:

Convert to Recommended MP4 is recommended for broad video compatibility.

Output quality

Highlarger file Balancedrecommended Smallermore compression

Smart output: MP4Best overall compatibility for video playback and sharing.

Size depends on source

Advanced settingsFine-tune the output

Maximum resolutionNever intentionally upscales; server limit: 1080p. Audio bitrateUsed by compressed audio outputs and video audio tracks. Sample rate48 kHz is common for video production. Output filename

.mp4

Available for single-file conversion. Trim startOptional HH:MM:SS or seconds. Trim endLeave blank to convert to the end. Remove audioCreate silent video output.

✓ Format-aware settings✓ Live queue progress✓ Files expire after ~30 min

FLAC CONVERSIONS

Useful FLAC Conversion Options

Choose a specific workflow below. Each page opens the converter with the relevant output already selected and includes format-specific guidance.

MP3 → FLACConvert MP3 into FLAC when a workflow specifically requires the FLAC format. WAV → FLACConvert WAV audio to FLAC to preserve decoded audio quality while reducing storage requirements. FLAC → MP3Convert lossless FLAC audio into smaller MP3 files for portable playback and sharing. FLAC → WAVDecode FLAC audio into WAV for editing software, production tools or PCM-based workflows.

ABOUT FLAC

When FLAC Makes Sense

Lossless music libraries, archiving and high-quality audio workflows.

A lossless audio format that reduces file size without discarding decoded audio information.

CONVERSION NOTE

What Conversion Can—and Can’t—Do

Converting a lossy source such as MP3 to FLAC does not restore missing quality.

Conversion can improve compatibility or change file size, but it cannot manufacture detail missing from the source. Keep important originals when quality matters.

EXPLORE FORMATS

Related Format Hubs

MP4 MOV MKV AVI WebM MP3 WAV M4A AAC