A powerful web interface for manipulating Factorio blueprint strings. This tool allows players to decode encrypted blueprint strings into readable JSON, modify them using an advanced code editor, and re-encode them back for use in the game. It is essential for debugging blueprints or making complex bulk edits that are impossible in-game.
- Blueprint Conversion: Instantly decodes compressed Factorio strings (zlib/base64) into formatted JSON and encodes them back.
- Advanced JSON Editor: Integrated CodeMirror editor features syntax highlighting, bracket matching, and auto-formatting for easy navigation.
- Search & Replace: Built-in tools to find specific values or replace text globally within the blueprint JSON.
- History System: Automatically saves the last 30 decoded blueprints to local storage, allowing quick restoration of previous sessions.
- Format Validation: Ensures the JSON structure is valid before re-encoding to prevent game errors.
- Clone the repository or download the source files.
- Open
index.htmlin any modern web browser. - Paste your Factorio blueprint string into the top text area.
- Click "DECODE" to view and edit the JSON structure.
- After editing, click "ENCODE" to generate the new string.
Project created with the support of the FCTostin community.
