tsmap¶
A desktop and browser application for loading and visualising semiconductor wafer map data. Open STDF, ATDF, CSV, and JSON files — multi-wafer lots, parametric tests, yield analysis, and charts are all supported out of the box.
Try it in the browser¶
No install required. Files are parsed locally in your browser using a WebAssembly build of the same Rust parser used in the desktop app. Nothing is uploaded.
Download the desktop app¶
The desktop version adds native file dialogs, drag-and-drop from the OS, and works offline without a browser. Builds for Linux, macOS, and Windows are attached to each GitHub release.
Supported formats¶
| Format | Notes |
|---|---|
STDF (.stdf, .std) |
Binary V4 — multi-wafer lots, PTR and FTR tests; test selector shown for files with >200 tests |
ATDF (.atdf, .atd) |
ASCII equivalent of STDF |
CSV (.csv, .txt, .dat) |
Column mapping step; wide and long (pivot) formats |
JSON (.json) |
Flat array or nested [{ wafer, results: [{die}] }] |
Gzip (.gz) |
Transparent decompression — e.g. lot.stdf.gz |
Zip (.zip) |
All contained files extracted and loaded as a batch |