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Aegisub is an advanced subtitle editor for Windows, and UNIX-like systems, such as Linux, Mac OS X and BSD. It is open source software and free for any use. Aegisub natively works with the Advanced SubStation Alpha format (aptly abbreviated ASS) which allows for many advanced effects in the subtitles, apart from just basic timed text. Aegisub's goal is to support using these advanced functions with ease.
Free software
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File size: 45MB
Portable version
Old versions
Version history
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File size: 45MB
Portable version
Old versions
Version history
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Download Aegisub 3.4.0 Windows 64-bit 45MB Win64
Download Aegisub 3.4.0 Mac 64-bit 45MB Mac64
Download Aegisub 3.4.0 Linux 64-bit 45MB Linux64
Download Beta, Portable and other versions
Portable 
Download Aegisub Migration Release 02 Windows 64-bit 45MB Win64
Download Aegisub Migration Release 02 Portable Windows 64-bit 45MB Win64
Portable Download Aegisub Migration Release 02 Mac Silicon ARM 45MB MacARM64
Download old versions
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Mac OS Linux Version history / Release notes / Changelog / What's New
Migration Release 01
Okay, hear me out...
Today is the 1-year anniversary of the release of Aegisub 3.4.0. Since then, I have begun working on the official upstream Aegisub version and have migrated over many of the additions from this fork. However, some of the biggest features from this fork (like folding or the perspective tool) have not been moved over yet, precisely because these are the features that need the most additional cleanup work before they can be merged upstream.
This has caused an unfortunate situation where many of the advanced Aegisub users are still using arch1t3cht/Aegisub due to the features that are only available there, which in turn fragments the ecosystem and means that very few people are actually testing the latest upstream versions. While I'm slowly but surely working on migrating the remaining features, it will probably still take a fair bit of time until everything is finished.
To try and improve this situation, I have now started a new branch on this fork where I rebased most of the big unmigrated features from arch1t3cht/Aegisub onto the newest TypesettingTools/Aegisub master, and am now making a release from this branch. Hence, this release includes all the features and fixes from upstream (so in particular from 3.4.2), but also includes most of the remaining additions from arch1t3cht/Aegisub. In particular, it includes:
High-DPI compatibility, which has been merged upstream with various improvements
Video panning, which has been merged upstream and been made more configurable
Builds for Apple Silicon, which have been added upstream
Basic support for setting LayoutRes
Line folding
The perspective tool
The Lua API additions
Dark mode on Windows (which is now always available - there is no separate "wx master" build any more)
What is not included for now is the added audio and video providers. FFmpegSource has become much more reliable, so these are not as necessary any more. (And while built-in keyframe generation is convenient, you should be able to live without it.)
The feature branch should be considered discontinued. I will not respond to issues or pull requests related to it - I simply don't have the time and resources to maintain two versions of Aegisub in parallel. Please open issues and pull requests over at TypesettingTools/Aegisub, provided they also apply there.
I'd like to ask all the users of arch1t3cht/Aegisub to switch to this "Migration Release" if they can, and to no longer recommend new users to use the old feature releases. (Instead, please recommend them to either use the latest TypesettingTools/Aegisub master, or this migration release if they really need its added features.)
Depending on how long the rest of the migration takes, I may periodically make more branches like this one (i.e. rebases of the unmigrated arch1t3cht/Aegisub features onto upstream's master) in the future, but I will not do any serious maintenance for this fork.
For more information on the current upstream situation, see: TypesettingTools#485
Update 2025-12-19: Swapped out the builds and updated the tag to hotfix a wxWidgets issue where Aegisub would pick some subobtimal language on first startup.
Update 2025-12-22: Updated the builds and tag another time (bumping wxWidgets to master from v3.3.1) to fix the flashing subtitle grid.
Okay, hear me out...
Today is the 1-year anniversary of the release of Aegisub 3.4.0. Since then, I have begun working on the official upstream Aegisub version and have migrated over many of the additions from this fork. However, some of the biggest features from this fork (like folding or the perspective tool) have not been moved over yet, precisely because these are the features that need the most additional cleanup work before they can be merged upstream.
This has caused an unfortunate situation where many of the advanced Aegisub users are still using arch1t3cht/Aegisub due to the features that are only available there, which in turn fragments the ecosystem and means that very few people are actually testing the latest upstream versions. While I'm slowly but surely working on migrating the remaining features, it will probably still take a fair bit of time until everything is finished.
To try and improve this situation, I have now started a new branch on this fork where I rebased most of the big unmigrated features from arch1t3cht/Aegisub onto the newest TypesettingTools/Aegisub master, and am now making a release from this branch. Hence, this release includes all the features and fixes from upstream (so in particular from 3.4.2), but also includes most of the remaining additions from arch1t3cht/Aegisub. In particular, it includes:
High-DPI compatibility, which has been merged upstream with various improvements
Video panning, which has been merged upstream and been made more configurable
Builds for Apple Silicon, which have been added upstream
Basic support for setting LayoutRes
Line folding
The perspective tool
The Lua API additions
Dark mode on Windows (which is now always available - there is no separate "wx master" build any more)
What is not included for now is the added audio and video providers. FFmpegSource has become much more reliable, so these are not as necessary any more. (And while built-in keyframe generation is convenient, you should be able to live without it.)
The feature branch should be considered discontinued. I will not respond to issues or pull requests related to it - I simply don't have the time and resources to maintain two versions of Aegisub in parallel. Please open issues and pull requests over at TypesettingTools/Aegisub, provided they also apply there.
I'd like to ask all the users of arch1t3cht/Aegisub to switch to this "Migration Release" if they can, and to no longer recommend new users to use the old feature releases. (Instead, please recommend them to either use the latest TypesettingTools/Aegisub master, or this migration release if they really need its added features.)
Depending on how long the rest of the migration takes, I may periodically make more branches like this one (i.e. rebases of the unmigrated arch1t3cht/Aegisub features onto upstream's master) in the future, but I will not do any serious maintenance for this fork.
For more information on the current upstream situation, see: TypesettingTools#485
Update 2025-12-19: Swapped out the builds and updated the tag to hotfix a wxWidgets issue where Aegisub would pick some subobtimal language on first startup.
Update 2025-12-22: Updated the builds and tag another time (bumping wxWidgets to master from v3.3.1) to fix the flashing subtitle grid.
View full changelog
Sections/Browse similar tools
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Notify me when software updated or report software
| 12 reviews, Showing 1 to 5 reviews |
Colour Picker is broken, colors in the cursor are not showing at all, instead it just shows gibberish colors...
Review by M00n on
Aug 5, 2021 Version: Aegisub r8942
OS: Windows 10 64-bit Ease of use: 8/10
Functionality: 8/10
Value for money: 10/10
Overall: 8/10
10+
Review by Xplainer on
Jun 12, 2018 Version: r8942
OS: Windows 10 64-bit Ease of use: 10/10
Functionality: 10/10
Value for money: 10/10
Overall: 10/10
Rating by evile1690 on
May 9, 2018 Version: 2.513
OS: Windows 7 Ease of use: 8/10
Functionality: 10/10
Value for money: 10/10
Overall: 10/10
Rating by typhoon on
May 4, 2018 Version: 3.2.3 / r8898
OS: Win95 Ease of use: 10/10
Functionality: 10/10
Value for money: 10/10
Overall: 10/10
Rating by Wakaku on
Mar 11, 2018 Version: 3.2.2
OS: Windows 7 64-bit Ease of use: 10/10
Functionality: 10/10
Value for money: 10/10
Overall: 10/10
| 12 reviews, Showing 1 to 5 reviews |
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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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