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HEVC to FLV - Online Video Converter
Convert HEVC to FLV online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert HEVC to FLV
Drop HEVC video here or click to select
HEVC, MP4
FLV (Sorenson Spark / MP3)
About HEVC to FLV
Convert HEVC to FLV. HEVC is the H.265 codec halving bitrates versus H.264. FLV is Adobe's Flash-video container carrying Sorenson Spark or H.264 streams. Flash-era players are gone, so convert for current browsers..
Why convert HEVC to FLV?
- Smaller files with FLV lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
HEVC vs FLV
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | lossy | lossy |
| Typical use | HEVC is the H.265 codec halving bitrates versus H.264. | FLV is Adobe's Flash-video container carrying Sorenson Spark or H.264 streams. |
When not to convert HEVC to FLV
- Skip FLV for archival masters: lossy compression discards detail, so keep the HEVC original.
- Keep a master copy: repeated exports stack small losses, so archive HEVC before batch FLV shares.
Limits
Starting point: HEVC - HEVC is the H.265 codec halving bitrates versus H.264. Raw streams lack timing, so set frame rate by hand. Flash-era players are gone, so convert for current browsers. Encode FLV (Sorenson Spark / MP3) from HEVC at a bitrate near the source, and confirm the audio track before converting.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.
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FAQ
How do I convert HEVC to FLV?
Drop your HEVC file onto this page, choose quality and codec settings, then click Convert. The result downloads as FLV instantly. All processing runs in your browser.
What codec is used for FLV?
The default codec for FLV is Sorenson Spark / MP3. You can change the video and audio codec in Advanced mode.
How do you store my files?
We do not store any processed videos. All conversion happens entirely in your browser using FFmpeg WASM.