STH Converter

Convert STH files online for free

Select File
Drop or upload your .STH file

Online File Converter

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How to convert your STH file

Click the "Select File" button above, and choose your STH file.
You'll see a preview.
Click the "Convert file to..." button to save your file in the format you want.

Convert STH to another file type

The converter easily converts your STH file to various formats - free and online. No Word or extra software needed.

STH to TMP
STH to TEMP
STH to CACHE
STH to LOG
STH to BAK
STH to OLD
STH to NEW
STH to PART
STH to DOWNLOAD
STH to CRDOWNLOAD
STH to LOCK
STH to PID

Convert a file to STH

The converter also works in reverse, so you can convert other GIS formats to STH with high quality output.

DEVICE to STH
CACHE to STH
SOCK to STH
SYMLINK to STH
PID to STH
MOUNT to STH
FIFO to STH
LOG to STH
PIPE to STH
TMP to STH
JUNCTION to STH
TEMP to STH

About STH files

If you are encountering a .STH file, you are likely dealing with one of two distinct proprietary formats that are notoriously difficult to use outside their native environments.

1. South Surveying GPS Data (Most Common)

This is a raw data log generated by South Surveying GNSS receivers and total stations. These files contain critical geospatial measurements, coordinates, and observation logs used by civil engineers and land surveyors.

The Problem: The format is proprietary and binary-encoded. You cannot simply double-click to open it in Microsoft Excel or AutoCAD. It requires the specific South Geomatics Office (SGO) or EGStar software to process. Engineers often face friction when trying to import this data into standard GIS tools or trying to share site data with clients who do not possess the specific Chinese surveying software.

Best Conversion Targets:

For Analysis: Convert to CSV or XLS to view coordinate lists in spreadsheets.
For Mapping/CAD: Convert to DXF or DWG to layer the points directly into architectural drawings.
For Post-Processing: Convert to RINEX (Receiver Independent Exchange Format) to ensure compatibility with other GPS processing software like Trimble Business Center.

2. Stitch Art Easy! Pattern

Less frequently, an .STH file is a cross-stitch embroidery pattern created by Stitch Art Easy!. These files store grid patterns, thread color codes, and project dimensions.

The Problem: This software is older and less common today. Users often find old pattern files they cannot print or view because they lack the specific installer. Sharing the pattern with a friend who doesn't have the software is impossible.

Best Conversion Targets:

For Printing: Convert to PDF to generate a printable chart with symbols.
For Viewing: Convert to JPG or PNG to view the design on mobile devices.

Use Convert.Guru to open and convert your STH file.

Users also converted SPS, DB2 and SPE files.

The STH Converter Story

The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our STH converter.