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Fallout Shelter Save Editor

What it is

Fallout Shelter Save Editor is a free web app for viewing and changing Fallout Shelter save files. It works in the browser: files are decrypted, edited, and re-encrypted locally rather than uploaded to a server. The editor can change dwellers' SPECIAL stats, levels, happiness, health, equipment, and appearance, as well as revive dead dwellers. Vault tools cover caps, resources, food, water, power, Nuka-Cola, and lunchboxes. Users can rearrange, upgrade, theme, clear rocks from, and repair rooms. The app can show season reward tracks, including past seasons, and claim missed rewards. It also displays a vault family tree with relationship and genetics statistics, provides catalogs of weapons, outfits, pets, junk items, and recipes, and includes a save-health check to help repair corrupted files. It supports saves from PC, Android, iOS, and Switch. Before the first export, it automatically downloads a timestamped copy of the original file. The project states that it has no backend or telemetry and is an independent, non-commercial fan project for personal and educational use.

For and against

For

  • Processes save files locally in the browser
  • Automatically downloads a timestamped original-file backup
  • Edits dwellers, vault resources, and rooms
  • Supports saves from PC, Android, iOS, and Switch

Against

  • Limited to Fallout Shelter saves
  • Independent fan project, not affiliated with the game's named companies

The verdict

Fallout Shelter Save Editor offers broad save-file editing without uploading files to a server. It is a free, independent fan project for personal and educational use.

Who it suits

This editor suits Fallout Shelter players who want to inspect or modify save files from PC, Android, iOS, or Switch. It is provided for personal and educational use.

Plans and prices

Free

Free

All features · browser use · no account, ads, or telemetry

Every plan, in full

On the record

Advanced editor
An Advanced workspace provides a CodeMirror JSON editor, explorer tree, validation, and a live diff against the imported file.github.com · read 15 Oct 2026
Affiliation
The project is not affiliated with, endorsed by, or sponsored by Bethesda, ZeniMax, or Microsoft.github.com · read 1 Oct 2026
API and SDK
The published README describes the file codec and build scripts but does not document a public API or SDK.github.com · read 15 Oct 2026
Backup
A timestamped copy of the original file is downloaded automatically before the first export.github.com · read 1 Oct 2026
Backups
Before the first export, the app downloads a timestamped copy of the original save and provides a change review.github.com · read 15 Oct 2026
Catalogs
Catalog views cover weapons, outfits, pets, junk, themes, recipes, quests, and their game data.dneverson.github.io · read 15 Oct 2026
Developer requirements
Contributor instructions require Node.js 24 or newer and pnpm, with formatting, lint, typecheck, unit tests, builds, and end-to-end checks in CI.github.com · read 15 Oct 2026
Developer stack
The codebase uses React, TypeScript, Vite, Tailwind, Zustand, Zod, PixiJS, TanStack tools, CodeMirror, Vitest, and Playwright.github.com · read 15 Oct 2026
Dweller editing
Dweller tools edit SPECIAL statistics, levels, happiness, health, equipment, pets, appearance, and revival status.dneverson.github.io · read 15 Oct 2026
Family tree
The app derives a vault family tree and genetics statistics from dweller parent links that the game interface does not show.dneverson.github.io · read 15 Oct 2026
Independent availability
The Nexus Mods listing identifies the tool as version 1 by Dnepixel, uploaded July 7, 2026, and marks its virus scan safe to use.nexusmods.com · read 15 Oct 2026
Independent moderation
Steam marks the guide as removed for violating Community and Content Guidelines.steamcommunity.com · read 15 Oct 2026
Independent reach
The Steam guide page reports 434 unique visitors and 11 current favorites.steamcommunity.com · read 15 Oct 2026
Installation
The product is a JavaScript web page with nothing to install and requires JavaScript enabled.dneverson.github.io · read 15 Oct 2026
Item catalogs
It includes catalogs of weapons, outfits, pets, junk items, and recipes.dneverson.github.io · read 1 Oct 2026
Licence
Original repository source is MIT licensed; included third-party game assets are excluded from that licence.github.com · read 15 Oct 2026
License and use
It is an independent, non-commercial fan project provided free of charge for personal and educational use under the MIT license for original source code.github.com · read 1 Oct 2026
Limit: game synchronization
The Steam guide warns that Steam Cloud can silently overwrite edited files unless cloud saving is disabled first.steamcommunity.com · read 15 Oct 2026

The review

Fallout Shelter Save Editor is a browser app for inspecting and changing Fallout Shelter save files, suited to players who want detailed control over vaults and dwellers. Its standout advantage is broad editing with local file processing; it is not an official Bethesda product.

Overview

The app decrypts, edits, and re-encrypts saves in the browser, without uploading them to a server. The project says it has no backend or telemetry, and it automatically downloads a timestamped copy of the original file before the first export. That backup offers a recovery point, while local processing may appeal to players who do not want saves sent to a service.

It supports saves from PC, Android, iOS, and Switch, though the editor itself is web-based. This is an independent, non-commercial fan project provided free for personal and educational use. Its MIT license covers the original source code, and the project is not affiliated with, endorsed by, or sponsored by Bethesda, ZeniMax, or Microsoft.

Key features

Dweller editing covers SPECIAL stats, levels, happiness, health, equipment, appearance, and reviving dead dwellers. Vault controls reach caps, resources, food, water, power, Nuka-Cola, and lunchboxes. This range suits players seeking either a focused character adjustment or broader progression changes; anyone who only wants to view a save may find the editing emphasis unnecessary.

Room tools let users rearrange, upgrade, theme, clear rocks from, and repair rooms. Season-pass displays include full reward tracks for every season, including past seasons, and can claim missed rewards. The family-tree view adds relationship and genetics statistics the game does not show, while catalogs cover weapons, outfits, pets, junk items, and recipes. A save-health check can help repair corrupted saves. Together, these tools make the editor useful for both changing a vault and examining details beyond the game's own views.

Supported capabilities include inventory, progression, and character-stat editing, plus automatic backup. The project describes the app as client-only, but changing save data still means taking responsibility for edits to a game file.

Pricing

Free: free. The browser-based plan has no accounts, ads, or telemetry and is MIT open source. There are no paid tiers to weigh against its features; it is intended for personal and educational use.

Platforms

The editor runs on the web, with supported saves from PC (Windows), Android, iOS, and Switch. This distinguishes the platform used to edit from the platforms whose saves it can handle.

Who it's for

Choose it if you play Fallout Shelter and want granular control of dwellers, rooms, resources, or season rewards, or want to inspect family relationships and repair a save. Look elsewhere if you specifically need an officially affiliated tool.

Pros and cons

  • Pros: Broad dweller, vault, room, and inventory controls make it useful for more than a single kind of save change.
  • Pros: Local processing, no backend or telemetry, and an automatic original-file backup address privacy and recovery concerns.
  • Pros: Past-season reward tracks, family-tree statistics, and a save-health check add inspection and repair tools beyond routine editing.
  • Cons: It is a fan project, not affiliated with the game's publisher, which may rule it out for players seeking official software.
  • Cons: The editor is web-based, so it is not a native Windows, Android, or iOS editor.

Alternatives

For other options, browse Game Save Editors.

  • Palworld Save Pal is a free alternative with every feature and no paywall, for players working with that option rather than Fallout Shelter.
  • SaveEditor.top is free, requires no registration, and supports files up to 50MB in supported formats; consider it for those formats and within that file limit.
  • PKForge is a free Android alternative.
  • NHSE is free for Linux, macOS, and Windows users with an existing save; it does not dump or import save data from the console.
  • Pokémon SRM Editor is free as a web or desktop app for Pokémon Red, Blue, and Yellow save files.
  • RepoDitor is a free web and Windows alternative.
  • SOTFEdit is a free Windows alternative.
  • Universal Save Editor is a free option available as self-hosted or web software.

Verdict

Fallout Shelter Save Editor is a strong fit for players who want extensive control over a Fallout Shelter vault while keeping save processing local. Its breadth and automatic backup are compelling; players who require an official tool should look elsewhere.

Alternatives to Fallout Shelter Save Editor

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