MP4 to FLV Converter
Convert MP4 files to FLV format in seconds with optimal quality and zero data retention.
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Suporta JPG, PNG, WebP, MP4, MOV, MP3, PDF e mais de 50 formatos
Format Comparison
MP4 vs FLV
Technical differences, compression algorithms, and core trade-offs between MP4 and FLV.
| Specification | MP4 | FLV |
|---|---|---|
| Full Name | MP4 Video | FLV Flash Video |
| Compression Type | Lossy | Lossy |
| Transparency Support | No | No |
| Developer | ISO / IEC Moving Picture Experts Group | Macromedia / Adobe Systems |
| Year Introduced | 2001 | 2003 |
MP4 Key Advantages
- ✓Universal playback across all smartphones, TVs, browsers, and operating systems
- ✓Excellent compression with H.264, H.265 (HEVC), and AV1
- ✓Streaming friendly (faststart)
FLV Key Advantages
- ✓Low-latency RTMP live streaming support
- ✓Simple packet format
How It Works
How to Convert MP4 to FLV
Three straightforward steps to convert your file.
1. Select your MP4 files
Drag and drop your MP4 files into the upload box or click to select from your device.
2. Adjust settings (Optional)
Fine-tune optional parameters such as resolution, compression quality, or audio bitrate.
3. Download your FLV
Click "Convert Now" to process your files and instantly download the resulting FLV files.
Why Choose HyperHelix Convert
Why Choose HyperHelix Convert
Engineered for speed, uncompromised quality, and complete privacy.
Lightning-Fast Speed
High-speed conversions powered by dedicated multi-threaded processing servers.
Pristine Output Quality
State-of-the-art engines (Sharp, FFmpeg) preserve visual clarity and sound fidelity.
Batch Processing
Upload up to 30 files in parallel and download all results in a single ZIP archive.
100% Private & Secure
Encrypted via 256-bit SSL and permanently deleted from our servers after 2 hours.
Granular Controls
Fine-tune resolution, CRF, bitrate, sample rates, channels, and crop/trim bounds.
Works on All Devices
Zero installation required. Runs seamlessly in Safari, Chrome, Edge, and mobile browsers.
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Frequently Asked Questions
Frequently Asked Questions about MP4 to FLV
Clear answers to common questions about file conversions, options, and privacy.