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What is FLC?

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

What is HEVC?

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

When Should You Use FLC vs HEVC?

Use FLC When...

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

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.

FLC vs HEVC: Key Differences

  • •The core technical difference: FLC relies on lossless compression whereas HEVC uses lossy compression.
  • •Converting from FLC to HEVC changes compression type: lossy source becomes smaller but with some quality tradeoff.
  • •Alpha channel support: HEVC lacks transparency support, so semi-transparent pixels from the source will be lost.
  • •FLC files are typically Moderate for 256-color animations while HEVC files range 50% smaller than H.264 at same quality
  • •Use case fit: FLC targets retro game cutscenes, legacy 2d animation and HEVC targets high-efficiency video encoding, 4k/8k streams — your choice depends on which workflow stage you are serving.

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.

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.

Common Use Cases for FLC to HEVC 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 FLC to HEVC Conversion

  • →Converting FLC to HEVC: match the output resolution and bitrate to your target platform's requirements
  • →HEVC offers efficient streaming-optimized compression — ideal for online delivery
  • →Use appropriate bitrate for the balance of quality and file size
  • →HEVC is a lossy format, so expect some quality loss at higher compression ratios
  • →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 FLC and HEVC formats in our detailed guide.

Troubleshooting FLC to HEVC Conversion

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

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About FLC and HEVC

FLC

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

HEVC

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

Format Comparison

CompressionLossless → Lossy
TransparencyN/A
Use CaseConvert from retro game cutscenes, legacy 2d animation to high-efficiency video encoding, 4k/8k streams
File Size~50% smaller than H.264 at same quality after conversion

FAQs

Is converting FLC to HEVC free?

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

How long does it take to convert FLC to HEVC?

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

What is HEVC best used for?

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

Does converting FLC to HEVC lose quality?

Yes, converting FLC to HEVC uses lossy compression, which reduces file size by discarding some visual data. Set quality to 85-95% for a good balance of quality and file size.

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

HEVC files are typically 50-80% smaller than FLC files because HEVC uses efficient lossy compression. The exact reduction depends on quality settings.

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