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FastFlix is a simple and friendly GUI for encoding videos. FastFlix keeps HDR10 metadata for x265, NVEncC HEVC, and VCEEncC HEVC, which will also be expanded to AV1 libraries when available. It needs FFmpeg (version 4.3 or greater) under the hood for the heavy lifting, and can work with a variety of encoders.
Free software
OS:
File size: 42MB
Portable version
Old versions
Version history
OS:
File size: 42MB
Portable version
Old versions
Version history
Screenshots
Latest version
Download
Download FastFlix 5.8.2 Windows 64-bit 48MB Win64
Download FastFlix 5.8.2 Mac 64-bit 53MB
Download FastFlix 5.8.2 Mac ARM 64-bit 49MB
Download FastFlix 5.8.2 Linux 64-bit 94MB
Download Portable and other versions
Download old versions
Software License
Supported operating systems
Windows More information and other downloads
It's not a virus! Virustotal may warn for some few different trojans but it's all false positives. If virustotal reports several SAME trojans/virus then it might be harmful.
Version history / Release notes / Changelog / What's New
Version 5.8.2
Fixing #610 Do not try to divide by zero if HDR metadata has bad values (thanks to Noelle Leigh)
Fixing #616 replace correct cmd line option for IDC level (thanks to pkleinejaeger)
Fixing too long of log file names could crash (thanks to ProFile)
Removing code signing as cert has expired
Fixing #610 Do not try to divide by zero if HDR metadata has bad values (thanks to Noelle Leigh)
Fixing #616 replace correct cmd line option for IDC level (thanks to pkleinejaeger)
Fixing too long of log file names could crash (thanks to ProFile)
Removing code signing as cert has expired
View full changelog
All features
HDR
On any 10-bit or higher video output, FastFlix will copy the input HDR colorspace (bt2020). Which is different than HDR10 or HDR10+.
HDR10
FastFlix was created to easily extract / copy HDR10 data, which it can do with the above listed encoders (x265, NVEncC, VCEEncC).
VP9 has limited support to copy some existing HDR10 metadata, usually from other VP9 files. Will have the line "Mastering Display Metadata, has_primaries:1 has_luminance:1 ..." when it works.
AV1 is still in development, and as such none of them currently support setting mastering-display data through FFmpeg (aka not supported with FastFlix), but some do if you use them directly.
rav1e - can set mastering data and CLL via their CLI but not through ffmpeg.
SVT AV1 - accepts a "--enable-hdr" flag that is not well documented, not supported through FFmpeg.
aomenc (libaom-av1) - does not look to support HDR10
HDR10+
For Windows users with Nvidia cards, NVEncC is the best option currently to use HDR10+.
FastFlix also supports using generated or extracted JSON HDR10+ Metadata with HEVC encodes via x265. However, that is highly dependent on a FFmpeg version that has been compiled with x265 that has HDR10+ support. BtbN's Windows FFmpeg builds have this support as of 10/23/2020 and may require a manual upgrade.
If you add HDR10+ metadata file, make sure the encoding log does NOT contain the line x265 [warning]: –dhdr10-info disabled. Enable HDR10_PLUS in cmake or else it is unsupported.
HLG
FastFlix (v4.0.2+) passes through HLG color transfer information to everything except webp and GIF.
On any 10-bit or higher video output, FastFlix will copy the input HDR colorspace (bt2020). Which is different than HDR10 or HDR10+.
HDR10
FastFlix was created to easily extract / copy HDR10 data, which it can do with the above listed encoders (x265, NVEncC, VCEEncC).
VP9 has limited support to copy some existing HDR10 metadata, usually from other VP9 files. Will have the line "Mastering Display Metadata, has_primaries:1 has_luminance:1 ..." when it works.
AV1 is still in development, and as such none of them currently support setting mastering-display data through FFmpeg (aka not supported with FastFlix), but some do if you use them directly.
rav1e - can set mastering data and CLL via their CLI but not through ffmpeg.
SVT AV1 - accepts a "--enable-hdr" flag that is not well documented, not supported through FFmpeg.
aomenc (libaom-av1) - does not look to support HDR10
HDR10+
For Windows users with Nvidia cards, NVEncC is the best option currently to use HDR10+.
FastFlix also supports using generated or extracted JSON HDR10+ Metadata with HEVC encodes via x265. However, that is highly dependent on a FFmpeg version that has been compiled with x265 that has HDR10+ support. BtbN's Windows FFmpeg builds have this support as of 10/23/2020 and may require a manual upgrade.
If you add HDR10+ metadata file, make sure the encoding log does NOT contain the line x265 [warning]: –dhdr10-info disabled. Enable HDR10_PLUS in cmake or else it is unsupported.
HLG
FastFlix (v4.0.2+) passes through HLG color transfer information to everything except webp and GIF.
Sections/Browse similar tools
Alternative to FastFlix
clever FFmpeg-GUI
Guides and How to's
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| 7 reviews, Showing 1 to 5 reviews |
Unable to size main screen. Unable to encode with hardware cuda encoding. This seems like a partially finished program, not yet ready for release.
Review by Mike H on
Dec 10, 2024 Version: Latest
OS: Windows 11 64-bit Ease of use: 3/10
Functionality: 2/10
Value for money: 10/10
Overall: 3/10
Rating by Mike on
Oct 20, 2023 Version: 5.5.7
OS: Windows 11 64-bit Ease of use: 8/10
Functionality: 10/10
Value for money: 10/10
Overall: 10/10
Rating by b0unty on
Aug 29, 2023 Version: 5.5.7
OS: Windows 10 64-bit Ease of use: 8/10
Functionality: 10/10
Value for money: 10/10
Overall: 10/10
Rating by Damudai on
Apr 9, 2023 Version: 5.3.0
OS: Windows 11 64-bit Ease of use: 9/10
Functionality: 10/10
Value for money: 10/10
Overall: 10/10
NEG:
-unclear formatting params [libaom], how to enable film-grain:8 etc.
-outright terrible, missing documentation
-can not create proper profile, without having to enable single pass every time
-can not modify raw commands, override, adjust settings
-no vmaf [sample] encoding
POS:
+delivers best quality [aom>svt] versus cleverffmpeg-gui, handbrake etc.
-unclear formatting params [libaom], how to enable film-grain:8 etc.
-outright terrible, missing documentation
-can not create proper profile, without having to enable single pass every time
-can not modify raw commands, override, adjust settings
-no vmaf [sample] encoding
POS:
+delivers best quality [aom>svt] versus cleverffmpeg-gui, handbrake etc.
Review by Stiff Martin on
Nov 28, 2022 Version: 5.0
OS: Windows 10 64-bit Ease of use: 7/10
Functionality: 7/10
Value for money: 10/10
Overall: 8/10
| 7 reviews, Showing 1 to 5 reviews |
| 1 tool hits, Showing 1 to 1 tools |
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Our hosted software are virus and malware scanned with several antivirus programs using www.virustotal.com. (NOTE! Just one virustotal warning is 99.9% a false positive. And some software might receive 2-6 warnings but it's if they are not all same virus/trojan then it's 99% false positives.)
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NEW SOFTWARE= New tool since your last visit
NEW VERSION= New version since your last visit
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NEW VERSION= New version
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Version number / Beta version number / Update version number and when it whas released.
Type and download
NO MORE UPDATES? = The software hasn't been updated in over 2 years.
NO LONGER DEVELOPED = The software hasn't been updated in over 5 years.
RECENTLY UPDATED = The software has been updated the last 31 days.
Freeware = Download Free software.
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Free software Ads = Free Download software and open source code but supported by advertising, usually with a included browser toolbar. It may be disabled when installing or after installation.
Trialware = Also called shareware or demo. Free Trial version available for download and testing with usually a time limit or limited functions.
Payware = No demo or trial available.
Portable version = A portable/standalone version is available. No installation is required.
v1.0.1 = Latest version available.
Download beta = It could be a Beta, RC(Release Candidate) or an Alpha / Nightly / Unstable version of the software.
Download 15MB = A direct link to the software download.
Win = Windows download version. It works on 32-bit and 64-bit Windows.
Win64 = Windows 64-bit download version. It works only on 64-bit Windows.
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Download 64-bit version = If you have a 64bit operating system you can download this version.
Download portable version = Portable/Standalone version meaning that no installation is required, just extract the files to a folder and run directly.
Portable version available = Download the portable version and you can just extract the files and run the program without installation.
Old versions available = Download old versions of the program.
Version history available = Complete changelog on our site.
= Windows version available. = Mac OS version available. = Linux version available.Our hosted software are virus and malware scanned with several antivirus programs using www.virustotal.com. (NOTE! Just one virustotal warning is 99.9% a false positive. And some software might receive 2-6 warnings but it's if they are not all same virus/trojan then it's 99% false positives.)
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