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RepoDitor
What it is
RepoDitor is a free, open-source Electron editor for local R.E.P.O. encrypted .es3 save data. It runs separately from the game and does not require BepInEx, another mod loader, or installation in the game directory. Desktop workspaces cover run overviews, player health, upgrades, supported run values, items, maps, and cosmetics. Item editing is limited to evidence-backed exact-instance refill-to-full actions, while maps are discovery-only. Before writing a save, RepoDitor checks the source fingerprint and whether the game is closed, creates a timestamped backup, validates the staged encrypted output, and replaces the source atomically. Save parsing and editing stay local; the sandboxed renderer cannot read arbitrary files, spawn processes, decrypt saves, or receive raw decrypted save JSON. The desktop app requires Windows x64, a local R.E.P.O. installation, and a local save. A browser version supports manual file import and export but has fewer capabilities. Downloads are offered through GitHub Releases, Nexus Mods, and Thunderstore, with GitHub Releases identified as canonical.
For and against
For
- Free and open source under MIT License
- Automatic timestamped backups before saving
- Local parsing and editing
- Sandboxed renderer with restricted access
- Desktop and browser versions
Against
- Desktop requires Windows x64
- Browser version has fewer capabilities
- Maps are discovery-only
- Desktop updates are manual
The verdict
RepoDitor provides focused editing for R.E.P.O. encrypted saves with validation, backups, and local processing. Its platform requirements and narrow item and map editing limits should be checked before use.
Who it suits
RepoDitor suits R.E.P.O. players who want local save editing on Windows or through a browser. It is also relevant to users who prefer an open-source tool with local processing and backups.
On the record
- Compatibility limits
- RepoDitor targets observed R.E.P.O. encrypted-save structures, so game updates may introduce incompatible data.github.com · read 2 Oct 2026
- Cosmetics
- The Cosmetics workspace supports eligible individual unlocks, bulk unlock, guarded bulk lock, and clearing paired presets.github.com · read 1 Oct 2026
- Distribution
- Official desktop distribution is through GitHub Releases, Nexus Mods, and Thunderstore, with GitHub Releases identified as canonical.github.com · read 1 Oct 2026
- Download channels
- Desktop downloads are distributed through GitHub Releases, Nexus Mods, and Thunderstore, with GitHub Releases identified as the canonical source.github.com · read 2 Oct 2026
- Editing limits
- Item editing is limited to eligible exact-instance Refill to Full actions, and maps are discovery-only.github.com · read 2 Oct 2026
- License
- The project is open source and released under the MIT License.github.com · read 2 Oct 2026
- Limitations
- Items only support evidence-backed exact-instance refill, maps are discovery-only, and arbitrary item, equipment, token, color, and preset editing remains unsupported.github.com · read 1 Oct 2026
- Local processing
- Save parsing, validation, and editing run locally, and raw decrypted save JSON is not uploaded to a remote save-processing service.github.com · read 2 Oct 2026
- Network requests
- Optional background requests retrieve GitHub project metadata and enrich player displays with Steam avatars; the project says it has no analytics or telemetry integration.github.com · read 2 Oct 2026
- No mod loader
- The desktop app runs separately from R.E.P.O. and does not require BepInEx, a mod loader, or installation in the game directory.github.com · read 1 Oct 2026
- Purpose
- RepoDitor is an unofficial standalone Electron app for inspecting and editing local R.E.P.O. .es3 save data.github.com · read 2 Oct 2026
- Requirements
- The desktop app requires Windows x64 and a local R.E.P.O. installation and save.github.com · read 2 Oct 2026
- Run editing
- It supports overview, player health, dynamically discovered upgrades, validated run values, item search and refill-to-full staging, and locally installed map listing.github.com · read 1 Oct 2026
- Save editing
- Its workspaces cover run overviews, players, upgrades, supported run values, items, maps, and cosmetics.github.com · read 2 Oct 2026
- Save protection
- Before saving, RepoDitor validates the source, checks its fingerprint, creates a timestamped backup, validates staged encrypted output, and atomically replaces the source.github.com · read 2 Oct 2026
- Save safety
- The write pipeline validates source fingerprints, checks that the game is closed, creates timestamped backups, validates staged encrypted output, and atomically replaces the source.github.com · read 1 Oct 2026
- Security
- The desktop renderer is sandboxed and cannot read arbitrary files, spawn processes, decrypt saves, invoke arbitrary IPC, or receive raw decrypted save JSON.github.com · read 2 Oct 2026
- Security model
- The renderer uses context isolation and disabled Node integration, and cannot read arbitrary files, spawn processes, decrypt saves, or receive raw decrypted save JSON.github.com · read 1 Oct 2026
