Convert MP4 to FLAC
Free online MP4 to FLAC converter. Convert your MP4 files to FLAC format instantly with our privacy-first tool. No uploads, 100% secure.
Conversion Engine Ready to Start
Initialize the conversion engine to start converting your files. This process loads the necessary library for file conversion.
How to Convert MP4 to FLAC
Quick Steps:
- Upload your video file using the dropzone above
- Adjust resolution, quality and compression if needed
- Click Convert File to start the conversion
- Download your converted FLAC file
Why Choose Our Converter:
- 100% client-side processing
- No file uploads to servers
- Fast and secure conversion
- Free with no registration required
- Works offline once loaded
Video Conversion Features:
Use Case: Great for video optimization, platform compatibility, or file size reduction
About MP4 Format
Industry standard for video sharing and streaming. Perfect balance of quality and compatibility. Our converter supports MP4 files and can convert them to various formats including FLAC.
About FLAC Format
Lossless audio compression format. Perfect audio quality with efficient compression. Converting to FLAC format gives you excellent results with lossless audio compression. perfect quality with file size reduction. popular among audiophiles..
Supported Formats
Convert between all major formats with our privacy-first converter
In Development
- Document conversions (PDF, DOCX, etc.)
- Archive conversions (ZIP, RAR, etc.)
- Additional image formats (TIFF, PSD, AI, RAW)
Supported Conversions
Explore all the input and output image formats supported by OfflineConvert.
Video Conversions
Convert between all major video formats including MP4, WebM, AVI, MOV, and more
All conversions are processed entirely in your browser for complete privacy.
Frequently Asked Questions
Yes, our converter is completely safe. All conversions happen locally in your browser, so your files never leave your device or get uploaded to any server.
No installation required. Our web-based converter works directly in your browser using WebAssembly technology for fast, efficient conversions.
FLAC supports resolutions up to 4K. You can maintain the original resolution or reduce it for smaller file sizes. Common choices are 1080p for high quality, 720p for balanced quality/size, or 480p for maximum compression.
Video conversion time depends on your device's processing power, video length, resolution, and quality settings. Short clips (under 1 minute) typically convert in seconds to minutes, while longer videos may take proportionally longer.
FLAC doesn't support audio, so only the video track will be converted. Any audio in your MP4 file will be removed.
FLAC format offers specific advantages: modern browser support, efficient file sizes, optimized compression. This makes MP4 to FLAC conversion ideal for your specific use case.