ToolsAGS Data ToolsFile Management

AGS Summary

Upload AGS files to instantly view group counts, location summaries, depth ranges, and data structure. Supports AGS 4.0.3 to 4.1.1 format versions.

Last updated 11 February 2026

About this tool

Quickly inspect and summarise AGS data files without validation.

Upload one or more AGS files to instantly view group counts, location summaries, depth ranges and data structure. This tool parses files locally in your browser - no data is uploaded to any server.

Ideal for quickly reviewing AGS submissions, checking file contents before importing to other software or generating summary reports for clients.

How to use this tool

Upload AGS files. Drag and drop or click to select one or more .ags files from your computer.
Review the summary. View group counts, location types, depth ranges and individual file breakdowns.
Export if needed. Download the summary as Text, JSON or CSV for reporting or further analysis.

What is an AGS file?

AGS format is the UK industry standard for transferring geotechnical and geoenvironmental data between organisations.

Developed by the Association of Geotechnical and Geoenvironmental Specialists, it uses a structured ASCII format with groups, headings, units and data rows.

Common AGS groups include:

LOCA - Location/borehole details
SAMP - Sample information
GEOL - Geological descriptions
ISPT - SPT test results

Supported AGS versions

This tool supports AGS 4 format versions:

AGS 4.0.3
AGS 4.0.4
AGS 4.1
AGS 4.1.1

Important notice

This tool provides a summary only - it does not validate AGS files against the specification.
No data quality checks, rule validation or error detection is performed.
Files are processed entirely in your browser. No data is uploaded or stored.

Export formats

Text Report (.txt) - Human-readable formatted report with aligned columns, suitable for printing or email attachments.

JSON Data (.json) - Structured data format for programmatic use, API integration or further processing.

CSV Table (.csv) - Spreadsheet-compatible format for import into Excel, Google Sheets or databases.

Also available

Work with AGS files in VS Code? Try our free AGS Extension for VS Code — syntax highlighting, IntelliSense for 140+ groups and 1000+ headings, editable table view, and file summaries.

Revision history

11 February 2026: Initial release with group summaries, location analysis, depth ranges and multi-format export.

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.

Spotted an error? Let us know.

Upload AGS files

Drag and drop or click to browse

Up to 3 files • 10.0 MB max