About this tool Convert Excel spreadsheets back to AGS format. Upload a .xlsx file where each worksheet represents an AGS group (with headings, units, types, and data rows) and download a valid .ags text file.
Useful for round-tripping data — convert AGS to Excel for editing, make your changes, then convert back to AGS for submission. Powered by the BGS AGS API.
Your file is sent to the BGS API for conversion and is not stored. The converted file is downloaded as a ZIP containing the .ags file and a conversion log.
How to use this tool 1. Upload your Excel file — must be a .xlsx with AGS-structured worksheets (one group per sheet, with GROUP, HEADING, UNIT, TYPE, DATA rows).
2. Click Convert — the file is sent to the BGS API for conversion.
3. Download the result — a ZIP file containing the .ags file and conversion log.
Technical information The Excel file must follow the AGS4 worksheet structure: each sheet named after an AGS group, with rows for GROUP, HEADING, UNIT, TYPE, followed by DATA rows.
This is the reverse of the AGS to Excel conversion. The same BGS API endpoint handles both directions — it detects the input format automatically.
Limitations The Excel file must use the correct AGS worksheet structure. A freeform spreadsheet that doesn’t follow AGS conventions will not convert successfully.
After conversion, run the AGS Validation Tool to check the output for any formatting issues introduced during editing.
Requires an internet connection — conversion is performed by the BGS API, not locally in the browser.
Revision history 20 October 2026: Initial release
Disclaimer This tool is provided for educational and general information purposes only. It is not a substitute for professional engineering advice, design or verification.
Diggy and its contributors are not licensed engineering consultants and no results generated by this tool should be used directly for construction, design or safety-critical decisions.
All values and outputs are based on published empirical correlations and should be independently checked and confirmed by a qualified geotechnical engineer before use.
By using this tool, you accept full responsibility for how you interpret and apply the information provided.
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