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Description
View, validate, compare and edit AGS4 geotechnical data files. Drag-and-drop, Gmail preview, AGS 4.2 validation. WHAT'S NEW IN 2.5.0 - Selective export, can now drop tables from any export format via a picker - Column reorder by drag-and-drop on headers (edit mode) - Column-finder in the toolbar, typeahead by heading name, jumps to the column - Perf + bug fixes WHAT'S NEW IN 2.4.1 - Added a warning banner on welcome screen, extension popup and in the viewer itself when access to file url hasn't been given. WHAT'S NEW IN 2.4.0 - Add row / Delete row buttons in the table editor (with multi-row pick mode for deletes). - Group tab sorting: new dropdown next to Sort lets you reorder tabs A→Z, Z→A, or back to file order. View-only, doesn't touch the data. - Bug fixes. WHAT'S NEW IN 2.3.1 - Fixed silent failure when opening files via the popup. - Stopped hijacking .ags drops on sites with their own uploads. - Tidied a couple of toolbar / welcome page rough edges. WHAT'S NEW IN 2.3.0 - Multi-column sort modal: priority + asc/desc per criterion. Raw view and table view stay coupled so the order flips in both at once. - FK cascade prompt: editing a parent key value now asks before silently orphaning the child rows pointing at it. - Dark mode added as an in app option not just browser / system controlled. - Side panel added to Raw Mode view, with a variety of features including: jump to, cursor stats (stats of current table and row selected); group statistics; foreign key hierarchies and links associated with selected table and bookmarking. - Performance improvements in both Table and Raw mode views. - Bug fixes WHAT'S NEW IN v2.2.0 - Table editor: drag-select cells, keyboard navigation, copy/paste with Excel fill rules, header-click sort. - Type to edit (Excel-style) — selected cell + any printable key starts editing. - Bulk edit: fill / find+replace / increment / UPPER/lower/trim/clear, with field picker + All / Visible / Pick rows scopes. - PA columns now show an ABBR-driven dropdown when editing. - Type validation: soft warnings for numeric / YN / DT / PA mismatches, plus an optional "reject invalid edits" toggle. - Raw view: per-cell wavy underline (was line-wide), line numbers in tooltips, outline panel shows per-group issue flags. - Validation pane → raw view jumps actually scroll now (and flash where you land). - Drag and drop big AGS files (50MB+) without hitting Chrome's storage cap. - Faster typing and pasting on large files. - DICT no longer reports legitimate field rows as duplicates. WHAT'S NEW IN v2.1.0 - Edit mode expanded into Raw Mode view. - Bug fixes. WHAT'S NEW IN v2.0.0 - Edit mode added to table view. Users can now edit data in place and save the amended file to their machine. - Bug fixes. WHAT'S NEW IN 1.1.1 - Fixed dark mode: the table, tab bar, filter row, and group badges now follow the system theme WHAT'S NEW IN 1.1.0 - Click any validation error or warning to jump straight to the row - Validation issues now show inline in the raw view, IDE-style (wavy red/orange underlines) - Hover a flagged line to see the message + field info combined - Hover the "custom" / "non-std" pills to see what they mean AGS4 Viewer brings geotechnical data tools directly into your browser. Open, preview, validate, and compare AGS4 files without leaving Chrome. FEATURES Viewer - Open AGS4 files via drag-and-drop, file picker, or download interception - Tabbed interface showing all data groups with row counts - Colour-coded unit and type rows - Column filters for quick data search - Group search bar to jump between tables - Syntax-highlighted raw view with find and replace - Click any foreign-key cell (e.g. LOCA_ID in a SAMP row) to jump straight to the parent row - Identifies custom groups (DICT-defined) and AGS 4.2 groups - Welcome page with a bundled sample file on first install so you can try it without your own data Validation - Real-time validation against the AGS 4.2 specification - Checks structure, required fields, column counts, and type codes - Foreign key reference validation, including custom groups declared via DICT_PGRP - Distinguishes numeric format drift ("2" vs "2.0") as a warning from truly missing references - Recognises DICT-defined custom groups and validates their fields - Clear error and warning display with group-level detail Navigation - Click any validation error or warning to jump straight to the offending row - In table view: switches the active group tab, scrolls the row, and highlights the broken cell - In raw view: scrolls to the line, with the issue already underlined inline - Parse errors automatically open the raw view at the bad line - Validation issues appear as inline diagnostics in raw view, IDE-style — wavy red for errors, orange for warnings, with coloured line numbers - Hover any flagged line in raw view for a tooltip showing the validation message and field info combined Compare - Diff two AGS files side by side with row-level detail - Added, removed, and changed rows highlighted with the original and new values - Heading, unit, and type changes surfaced per group - Exportable text diff report Gmail Integration - Preview AGS4 attachments directly in Gmail's preview overlay - No download required, view the data before deciding to save - Works with Gmail's existing attachment UI Field Dictionary - Right-click any AGS field name on a webpage to look up its definition - Ctrl+Shift+L (Cmd+Shift+L on macOS) to look up the currently selected text as an AGS field - Shows field description, data type, and whether it's a key field - Hover hints mode: enable via context menu to see field descriptions on mouse hover - Covers all standard AGS 4.1.1 and 4.2 groups and their fields Link Detection - Detects .ags file links on any webpage and adds a preview badge - Right-click .ags links to open directly in the viewer SUPPORTED FORMAT AGS4 (Association of Geotechnical and Geoenvironmental Specialists) Edition 4.0 through 4.2, as defined in the official AGS data format specification. PRIVACY This extension runs entirely in your browser. No data is collected, transmitted, or stored externally. All file processing happens locally. PERMISSIONS - "Read and change all your data on all websites": Required to detect AGS file links, provide hover hints, and preview attachments in Gmail. - "Manage your downloads": Required to intercept .ags file downloads and open them in the viewer. - "Context menus": Required for right-click field lookup and viewer access. - "Storage": Required to save your preferences (hover hints toggle, download interception setting, validation rule toggles). - "Active tab": Required to send field-lookup messages to the page you are currently viewing. - "Scripting": Required to inject the Gmail attachment preview overlay and field-lookup popup into the current tab. ABOUT AGS FORMAT The AGS format is the UK industry standard for electronic transfer of geotechnical and geoenvironmental data. It is maintained by the Association of Geotechnical and Geoenvironmental Specialists (AGS). This extension is an independent tool and is not affiliated with the AGS. DISCLAIMER AGS4 Viewer is provided as-is, without warranty of any kind. The parser, validator, and diff engine are best-effort implementations and may miss edge cases such as malformed files, non-standard groups, unusual encodings, or ambiguous rows. A clean validation result does not certify that a file is standards-compliant. Do not rely on this tool's output for safety-critical, contractual, or regulatory decisions without independent verification against the authoritative AGS specification and the file's source data.