Mod Constructor (V4)
The Sims 4 Mod Constructor is a downloadable program that allows users to easily create mods for The Sims 4 in a user-friendly environment, including traits, aspirations, social events, lot traits, holiday traditions and more!
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DOWNLOAD SOURCE CODE (only download if you know what you’re doing)
DOWNLOAD MORE ICONS (in order to keep the download size to a minimum, these are included as a separate download)
Recent Updates
Updated for the latest patch which broke many custom traits and other updates
- 20th July 2021 (part 2)
- Updated social interactions to work with the latest patch (changed posture_penalties to apply_posture_costs).
- 20th July 2021 (part 1)
- Updated situation jobs and the “Set Statistic to Random Value in Range” loot action to work with the latest patch.
- 21st January 2021
- Added presets from recent packs and updates, including the new “Scared” emotion.
- The “Add Emotion Category” option for buffs now supports the Scared emotion.
- 11th November 2020 - Custom traits will now be compatible with the latest patch (more details).
- 2nd August 2020 - Fixed the code for the “Complete Only in Sequence” component to work with the latest patch.
- 24th July 2020 - Fixed a bug where holiday buffs weren’t being added to holidays.
- 3rd June 2020 Part 2 (more patch updates)
- Custom careers now work again! Any existing careers will need to be re-exported.
- Career levels now support a new way of receiving bonus payment, presumably related to Eco Lifestyle.
- The “Take PTO” interaction has new requirements, which are again probably related to Eco Lifestyle.
- 3rd June 2020
- Updated for patch 1.63.133.1020: Aspiration reward traits will now show correctly in the UI again. Creators of existing aspirations will need to re-export.
- Fixed an issue where the notification for semi-active (work from home) careers showed blank text.
- 24th May 2020 - Interaction goals can now use custom interactions without causing errors.
- 16th May 2020 - Fixed an error that was caused by having buff-specific whims.
- 2nd May 2020 - Added “ClubRule.data” file which was missing from the zip file.
- 17th January 2020 - Exported social events are now compatible with the latest patch.
- 20th December 2019 - Fixed a bug where mods with aspirations that use custom categories could not be reopened.
1 MB
Skin Converter V2.3, enable CC skintones in CAS
This tool is ONLY for skin colors that are applied in the skintone panel in CAS, NOT 'skintones' that are applied in skin details. It is also NOT for texture-only default replacements.
998 KB
Sims 4 Package Editor (S4PE)
S4pe is a program for editing package. The program allows you to open package files related to The Sims 4, extract and replace textures, meshes, and so on.
240.7 KB
Fixers for sliders, hair, skins after werewolf patch - V2.2 Alpha
These are two tools to fix sliders, alpha hairs, and skin details/overlays broken by the June 2022 werewolf patch. Both can be run on individual packages or as batch fixes.
83.26 MB
Sims Mods Updater
This is an Electron application that handles your mods. When an update is available, this will automatically ask you to install it. This means more time to play!