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What is HEVC?

Raw H.265/HEVC is an elementary stream of High Efficiency Video Coding data, doubling compression efficiency over H.264.

What is FLC?

FLC Animation is Autodesk Animator Pro's enhanced animation format, the successor to FLI with higher color depth and resolution.

When Should You Use HEVC vs FLC?

Use HEVC When...

Reach for HEVC when your priority is high-efficiency video encoding, 4k/8k streams — its efficient compression makes sharing fast and storage minimal.

Use FLC When...

Reach for FLC when your priority is retro game cutscenes, legacy 2d animation — its uncompromising quality ensures every detail is preserved.

HEVC vs FLC: Key Differences

  • •HEVC uses lossy compression while FLC uses lossless compression — this is the fundamental technical difference between the two formats.
  • •Converting from HEVC to FLC changes compression type: lossless source becomes larger but with full quality preservation.
  • •Transparency: N/A
  • •Storage footprint: 50% smaller than H.264 at same quality for HEVC vs Moderate for 256-color animations for FLC.
  • •Use case fit: HEVC targets high-efficiency video encoding, 4k/8k streams and FLC targets retro game cutscenes, legacy 2d animation — your choice depends on which workflow stage you are serving.

Advantages of HEVC

  • ✓HEVC uses lossy compression tailored for High-efficiency video encoding, 4K/8K streams.
  • ✓HEVC is supported natively on virtually every device, browser, and operating system.
  • ✓HEVC files are compact and quick to transfer, even over slow connections.
  • ✓HEVC integrates seamlessly with all major creative tools and workflows.

Advantages of FLC

  • ✓FLC applies lossless compression specifically calibrated for Retro game cutscenes, legacy 2D animation.
  • ✓FLC enjoys broad native support across operating systems, browsers, and creative tools alike.
  • ✓FLC guarantees every bit of the original data survives — no approximations, no shortcuts.
  • ✓You will find FLC support built into virtually every tool that handles Retro game cutscenes, legacy 2D animation — no plugins or converters needed.

Common Use Cases for HEVC to FLC Conversion

  • Video archiving
  • Broadcast production
  • Video game cutscenes
  • Product demonstrations
  • Webinar recordings
  • Animated explainers

Industry Applications

Broadcast MediaVideo SurveillanceGamingLive EventsVideo ConferencingDigital Signage

Best Practices for HEVC to FLC Conversion

  • →Converting HEVC to FLC: match the output resolution and bitrate to your target platform's requirements
  • →FLC provides broad compatibility across devices and platforms
  • →Use appropriate bitrate for the balance of quality and file size
  • →FLC supports lossless encoding, preserving maximum quality for professional workflows
  • →Always keep a backup of your original files before converting
  • →Choose the appropriate quality settings for your specific use case

Related Article

Video Compression Guide: Reduce File Size Without Losing Quality

Learn more about HEVC and FLC formats in our detailed guide.

Troubleshooting HEVC to FLC Conversion

  • !FLC won't play on target device → check codec compatibility (H.264 has broadest support)
  • !Audio out of sync after HEVC to FLC conversion → try re-muxing with a different container format
  • !FLC quality is too low → increase the bitrate; for 1080p video, 8-15 Mbps is recommended
  • !File size increased converting HEVC to FLC → lossless or higher-bitrate outputs naturally produce larger files

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About HEVC and FLC

HEVC

HEVC (HEVC streams) - Raw H.265/HEVC, elementary stream of HEVC encoded video. Best for high-efficiency video encoding, 4k/8k streams.

FLC

FLC (FLC animations) - FLC Animation, Autodesk Animator Pro FLIC animation format. Ideal for retro game cutscenes, legacy 2d animation.

Format Comparison

CompressionLossy → Lossless
TransparencySupported
Use CaseConvert from high-efficiency video encoding, 4k/8k streams to retro game cutscenes, legacy 2d animation
File Size~Moderate for 256-color animations after conversion

FAQs

Is converting HEVC to FLC free?

Yes, GoConvertFile offers free conversion of HEVC to FLC for files up to 100MB. No registration required.

How long does it take to convert HEVC to FLC?

Most HEVC to FLC conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.

What is FLC best used for?

FLC is ideal for retro game cutscenes, legacy 2d animation. FLC Animation, Autodesk Animator Pro FLIC animation format

Does converting HEVC to FLC lose quality?

No, converting HEVC to FLC does not cause additional quality loss — FLC uses lossless compression. However, any artifacts already present in the original HEVC file will persist in the FLC output.

What file size should I expect after converting HEVC to FLC?

FLC files are typically 2-5x larger than equivalent HEVC files because FLC preserves all pixel data. This is expected and necessary for lossless quality.

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