Free Batch MP4 to FLAC
Converter Online
Bulk convert multiple MP4 files to lossless FLAC — the audiophile's choice for archiving music video collections. 100% browser-based, no upload required.
Drop Multiple Video Files
Drag and drop multiple files or click to browse
or drag & drop multiple video files here
Supports MP4, WebM, MOV, AVI, MKV, FLV
Audio Conversions
Countries Served
Browser Privacy
Forever Free
Batch Lossless FLAC Extraction
Convert an entire music video collection to FLAC in one batch session. Preserve bit-perfect audio quality from every video file.
Private Archiving
All files processed locally using FFmpeg.wasm. Your music library never gets uploaded to any server.
Audiophile-Grade Quality
FLAC preserves 100% of the original audio with lossless compression — smaller than WAV, identical quality. The standard for high-fidelity audio archives.
Download All as ZIP
Get your entire FLAC archive in a single ZIP download after batch conversion.
How to Batch Convert MP4 to FLAC
Archive your music video collection as lossless FLAC in 3 steps
Drop Your Video Collection
Select multiple MP4, MKV, WebM, MOV, AVI, or FLV files from your music video library.
FLAC is Lossless
No bitrate to select — FLAC is always lossless. Choose sample rate and stereo/mono if needed.
Convert All & Archive
Convert all files and download as ZIP. Your lossless FLAC archive is ready.
Best Batch MP4 to FLAC Converter
Extract lossless FLAC audio from multiple videos without uploading. Perfect for audiophiles building high-fidelity audio archives.
FLAC preserves every bit of original audio quality.
Your music collection stays on your device.
| Feature | Our Tool | Others |
|---|---|---|
| 100% Browser-based (No Upload) | ||
| Bit-Perfect Lossless FLAC | ||
| True Batch Conversion | ||
| Unlimited File Size & Count | ||
| Forever Free |
Batch Video to FLAC Format Support
Our batch converter converts multiple video files to lossless FLAC for audiophile archives
Input Video Formats
Output Audio Formats
Batch MP4 to FLAC Converter Reviews
Trusted by audiophiles and music archivists worldwide
Audiophile
"I batch converted my entire music video collection to FLAC. Bit-perfect quality and nothing uploaded — exactly what audiophiles need."
Music Archivist
"Archiving 200+ concert recordings to FLAC used to take hours with software. Now I batch convert in the browser and download as ZIP."
Hi-Fi Enthusiast
"FLAC for my Roon library from video recordings. Browser-based batch processing with no upload is the privacy-respecting way to build an archive."
Audiophile
"I batch converted my entire music video collection to FLAC. Bit-perfect quality and nothing uploaded — exactly what audiophiles need."
Music Archivist
"Archiving 200+ concert recordings to FLAC used to take hours with software. Now I batch convert in the browser and download as ZIP."
Hi-Fi Enthusiast
"FLAC for my Roon library from video recordings. Browser-based batch processing with no upload is the privacy-respecting way to build an archive."
Audiophile
"I batch converted my entire music video collection to FLAC. Bit-perfect quality and nothing uploaded — exactly what audiophiles need."
Music Archivist
"Archiving 200+ concert recordings to FLAC used to take hours with software. Now I batch convert in the browser and download as ZIP."
Hi-Fi Enthusiast
"FLAC for my Roon library from video recordings. Browser-based batch processing with no upload is the privacy-respecting way to build an archive."
Audiophile
"I batch converted my entire music video collection to FLAC. Bit-perfect quality and nothing uploaded — exactly what audiophiles need."
Music Archivist
"Archiving 200+ concert recordings to FLAC used to take hours with software. Now I batch convert in the browser and download as ZIP."
Hi-Fi Enthusiast
"FLAC for my Roon library from video recordings. Browser-based batch processing with no upload is the privacy-respecting way to build an archive."
Classical Music Fan
"I convert concert film recordings to FLAC. The lossless quality is essential for classical music where dynamic range matters."
Record Collector
"Batch FLAC extraction from my VHS digitization project. Zero uploads means my rare recordings stay private."
Mastering Engineer
"FLAC source files for mastering projects. Batch extraction without server uploads is essential for client confidentiality."
Classical Music Fan
"I convert concert film recordings to FLAC. The lossless quality is essential for classical music where dynamic range matters."
Record Collector
"Batch FLAC extraction from my VHS digitization project. Zero uploads means my rare recordings stay private."
Mastering Engineer
"FLAC source files for mastering projects. Batch extraction without server uploads is essential for client confidentiality."
Classical Music Fan
"I convert concert film recordings to FLAC. The lossless quality is essential for classical music where dynamic range matters."
Record Collector
"Batch FLAC extraction from my VHS digitization project. Zero uploads means my rare recordings stay private."
Mastering Engineer
"FLAC source files for mastering projects. Batch extraction without server uploads is essential for client confidentiality."
Classical Music Fan
"I convert concert film recordings to FLAC. The lossless quality is essential for classical music where dynamic range matters."
Record Collector
"Batch FLAC extraction from my VHS digitization project. Zero uploads means my rare recordings stay private."
Mastering Engineer
"FLAC source files for mastering projects. Batch extraction without server uploads is essential for client confidentiality."