MP4
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FLAC

Convert MP4 to FLAC Online

Convert MP4 to FLAC online. Start with free daily conversions, no install, no watermarks, and visible job status.

MP4 to FLAC Converter

Upload your MP4 file to convert it to FLAC format

Daily Limit: /10 Credits

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Per File

100 MB

Total Queue

0 B / 500 MB

Daily usage: 0/10 credits0%

How to Convert MP4 to FLAC

Follow these simple steps

1

Step 1: Upload Your File

Upload your MP4 file by dragging and dropping or clicking to browse

2

Step 2: Select Output Format

FLAC is automatically selected as the output format

3

Step 3: Start Conversion

Click the Convert button to start the conversion

4

Step 4: Download Result

Download your converted FLAC file when ready

Convert MP4 to FLAC - Complete Guide

Converting MP4 to FLAC turns a video file into an audio file. MP4 is a video container format widely used for streaming, mobile playback, social media, and general video sharing. FLAC is a lossless audio format used for high-quality music archives without the large size of raw audio. Below is exactly what changes when you convert MP4 to FLAC, what is preserved, and when FLAC is — or isn't — the right target format.

What changes when you convert MP4 to FLAC

  • FLAC is lossless, so no new compression artifacts are introduced. It cannot restore detail already discarded by MP4, and the FLAC file is usually noticeably larger.
  • This is a video-to-audio conversion, so the file moves into a different type of workflow. The converter maps the MP4 content into a usable FLAC result for the formats involved.
  • Expect a larger output file: FLAC stores MP4 content with less aggressive compression.

About the MP4 format

MP4 (MPEG-4 Part 14) is the most popular video format worldwide. It offers excellent quality with efficient compression, making it ideal for streaming, sharing, and storage. Our MP4 converter supports all common video formats.

  • Full name: MPEG-4 Part 14
  • Developer: ISO
  • Compression: H.264/H.265 (Video), AAC (Audio)
  • Opens with: every device, every browser, every editor

Where MP4 is strong: plays on virtually every device and platform; efficient H.264/H.265 compression; the default for streaming and social media.

Typical MP4 uses: web and mobile video, social media uploads, general sharing.

About the FLAC format

FLAC (Free Lossless Audio Codec) offers CD-quality audio with file compression. It preserves every bit of audio data while reducing file sizes by 50-60% compared to WAV.

  • Full name: Free Lossless Audio Codec
  • Developer: Xiph.Org Foundation
  • Compression: Lossless compression
  • Opens with: VLC, foobar2000, most modern players

Where FLAC is strong: lossless quality at roughly half the size of WAV; supports rich metadata and cover art; ideal for archiving music.

Typical FLAC uses: hi-fi music archives, lossless backups of CDs, audiophile playback.

What FLAC keeps

  • FLAC adds: lossless quality at roughly half the size of WAV.

Things to watch out for

  • Converting MP4 to FLAC will not improve quality beyond the source — choose FLAC for compatibility or editing, not to "upscale" a compressed file.
  • One FLAC limitation to keep in mind: larger than MP3.

When to convert MP4 to FLAC

  • Convert MP4 to FLAC for hi-fi music archives.
  • Convert MP4 to FLAC for lossless backups of CDs.
  • Convert MP4 to FLAC for audiophile playback.

MP4 vs FLAC — format comparison

A quick side-by-side of the structural differences between MP4 and FLAC, so you can confirm this is the right conversion for your file:

AttributeMP4FLAC
TypeVideo fileAudio file
CompressionLossyLossless
Web-friendlyYesYes
Typical file sizeSmallMedium
Best forweb and mobile videohi-fi music archives

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Other MP4 Conversions

More formats you can convert MP4 to

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View all MP4 conversions →

Convert to FLAC

Other formats you can convert to FLAC

Convert MOV to FLACConvert WEBM to FLACConvert AVI to FLACConvert MKV to FLACConvert M4V to FLACConvert FLV to FLACConvert WMV to FLACConvert 3GP to FLACConvert 3G2 to FLACConvert MPEG to FLACConvert MPG to FLACConvert TS to FLACConvert MTS to FLACConvert M2TS to FLACConvert VOB to FLACConvert OGV to FLACConvert ASF to FLAC
View all FLAC conversions →

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MP4 to FLAC FAQ

FLAC is lossless and adds no new artifacts, but it cannot restore detail already lost in the MP4 file. The output looks the same as the source while taking more space.
Upload your MP4 file, confirm FLAC as the output format, and click Convert. Job status is shown while the file is processed, then you can download the FLAC result.
Yes. You can start with free daily conversions, with no signup required for your first jobs and no watermarks on the output. Accounts and paid plans are available for higher-volume work.
No. The MP4 to FLAC conversion runs in your browser on any device — Windows, Mac, Linux, iOS, or Android — with uploads and downloads over HTTPS.
MP4 (MPEG-4 Part 14) is a video file format. MP4 files can be played with various video players and media applications.
Upload your MP4 video to the converter, select your desired output format, and click Convert. The job status appears while the video is processed.
You can start with free daily conversions. Accounts and paid plans are available for higher-volume work, and downloaded files are not watermarked.
You can convert MP4 to proof-backed video containers such as MP4, WEBM, MOV, AVI, MKV, FLV, WMV, 3GP, OGV, ASF, plus audio outputs like MP3, WAV, AAC, FLAC, M4A, WMA, AIFF, and OPUS.
Yes! Our MP4 converter works on any device including smartphones and tablets.
Choose the output setting that fits your file-size and playback needs. Re-encoding can change quality depending on codec and bitrate.

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