FLAC to OPUS Converter
Convert FLAC files to OPUS format in seconds with optimal quality and zero data retention.
ファイルをここにドロップまたはクリックして選択
JPG, PNG, WebP, MP4, MOV, MP3, PDF など50以上の形式に対応（最大1GB）
Format Comparison
FLAC vs OPUS
Technical differences, compression algorithms, and core trade-offs between FLAC and OPUS.
| Specification | FLAC | OPUS |
|---|---|---|
| Full Name | FLAC Lossless Audio | OPUS Next-Gen Audio |
| Compression Type | Lossless | Lossy |
| Transparency Support | No | No |
| Developer | Xiph.Org Foundation (Josh Coalson) | IETF (Xiph.Org & Skype/Mozilla) |
| Year Introduced | 2001 | 2012 |
FLAC Key Advantages
- ✓True studio lossless audio quality (up to 24-bit/192kHz Hi-Res)
- ✓Halves the size of raw WAV files
- ✓Open-source and royalty-free
OPUS Key Advantages
- ✓Highest audio quality per kilobit of any lossy codec
- ✓Ultra-low latency for real-time VOIP calls (Telegram, Discord, WhatsApp)
- ✓Seamless transition between speech and music modes
How It Works
How to Convert FLAC to OPUS
Three straightforward steps to convert your file.
1. Select your FLAC files
Drag and drop your FLAC 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 OPUS
Click "Convert Now" to process your files and instantly download the resulting OPUS 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 FLAC to OPUS
Clear answers to common questions about file conversions, options, and privacy.