Snapshot
Save your current load order as "Known Good" with one click.
Novixel
Technology solutions that work as hard as you do. Dawson Creek, BC
FREE TOOL
Atomic Diff
It worked yesterday. What changed?
Snapshot + diff + Markdown report for modders.
Windows
Fallout 4
Skyrim SE/AE
100% Offline
What It Does
Simple workflow for tracking mod changes.
Compare
See exactly what changed - added, removed, or reordered mods.
Report
Generate clean Markdown reports ready to paste to Discord/Reddit/Nexus.
Private
Runs 100% offline. Your mod data never leaves your computer.
What It Isn't
Atomic Diff is...
- A load order snapshot tool
- A diff/comparison viewer
- A help report generator
- Free and open source
It's NOT...
- A crash fixer or debugger
- A load order optimizer
- A LOOT replacement
- A mod manager
Download
Free and open source. Pay what you want.
Atomic Diff v1.0
Free
Windows 10/11 • No account required
FAQ
What games are supported?
Fallout 4 and Skyrim Special Edition / Anniversary Edition. More games may be added based on demand.
Does it need an internet connection?
No. Atomic Diff runs entirely offline. Your mod data never leaves your computer.
Where can I get support?
Open an issue on GitHub or reach out via the Novixel contact form.
Tip Jar
Atomic Diff is free, but if it saved you hours of debugging, consider tipping.
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