GPStamper "Know Where - Know When"

Simplicity in Operation

[G-P-Stamper] photos include subject description, coordinates (GPS or UTM), date/time and author (e.g. company/agency) information. Including an automatically generated location description, image direction, elevation, file name, or various other metadata, is optional.

Professional, report-ready results in seconds!

Simply drag and drop a geotagged JPG file, or an entire folder, into GPStamper and click the Stamp Coordinates (globe) button for instant stamping of coordinates along with all selected content and appearance options. GPStamper is optimized to work best using drag-and-drop with Windows File Explorer. A file or folder can also be selected via GPStamper's File menu.

Stamping interface (with options hidden) is simple and efficient. Its compact size allows it to be placed virtually anywhere on your desktop for easy drag-and-drop access. Click to view full size.

Subject Descriptions

  • A subject description entered into the Subject Description window is applied to all the photos in a selected folder. Supports English (ASCII) characters.
  • Unique subject descriptions for individual photos in a folder can be entered by ticking the Unique checkbox prior to stamping. The opportunity to assign a description to each photo will be given during the stamping process. Press the Esc key or click the Close (X) button on the edit window to save descriptions.
  • Alternatively, use File Explorer’s Details pane to add a unique subject description for each photo in a folder. Edit the Subject field, save changes, then leave the Unique checkbox unticked and the Subject Description window in GPStamper empty.

Smart Clipboard

Use GPStamper's Smart Clipboard to copy and paste subject description content from any Windows document, and write it directly to a file's metadata for stamping. The Smart Clipboard minimizes typing, and eliminates typos in complex technical/legal descriptions. Supports English (ASCII) characters.

  • If no description exists in the Subject Description window, click the Clipboard button to paste content copied from any Windows document and write it to the selected file or folder. The pasted description may be edited prior to being written and copied back to the clipboard.
  • Enter a subject description and click the Clipboard button to immediately write the metadata to the selected file or folder. The description is also copied to the clipboard.
  • GPStamper's Subject Description is written to File Explorer's "Subject" field. If no description exists in the Subject Description window, and the Unique checkbox is not ticked, GPStamper uses the contents of File Explorer's "Subject" as the description during stamping.

Author Information

  • Include a copyright notice (e.g. company name or agency) in any stamp.
  • Enter author information once and it remains set until changed.
  • Supports English (ASCII) characters.

Appearance & Content

Easily accessible font/appearance and content/formatting options can be hidden after selections are made. Selections are saved between stamping sessions. Click to view full size.
Tooltips describe every stamping option.

Including subject and author (copyright) information is possible with all stamping options. Author (copyright) information, once entered, is saved from session to session.

Select from font size, color, placement and background/border options. "Auto Color" automatically converts font color from white to black, based on image brightness, optimizing stamp contrast and legibility.

Available content options:

  • Include AutoLocation (city, state/province, country, OR a high precision location)
  • Include Adobe® Lightroom® Map module reverse geocoding information
  • Select coordinate notation as GPS (sexagesimal or decimal) or UTM
  • Include file name
  • Include horizontal positioning error or DOP (if present in photo metadata)
  • Include image direction (if present in photo metadata)
  • Include elevation (if present in photo metadata) and select units (feet or meters)
  • Include time (with date)
  • Include copyright © symbol
Option selections are saved between stamping sessions!


AutoLocations are location descriptions automatically derived by reverse geocoding a photo's GPS coordinates. Click the Stamp AutoLocation (GPS pin) button for instant stamping of location descriptions along with all selected content and appearance options.

  • Default AutoLocations report the closest city (population >1000) and state/province, with country being optional.
  • High precision AutoLocations which might include an actual point of interest name and/or street address are an option when stamping single JPG files. High precision locations may be edited prior to stamping. Select the high precision option (GPS pin +) button prior to stamping AutoLocations.
GPStamper is fully compatible with Windows File Explorer.


Extract still frames from MOV or MP4 videos (including 4K) and instantly stamp them with location metadata just as you would still photos. Include coordinates, an AutoLocation, elevation (iPhone), date, time, subject description, and author information in the stamp.

An annotated and AutoLocated quad-frame photo extracted from a 25 second geotagged MP4 video.
  • A quad-frame photo is generated from four video frames spaced equidistant within the video clip, whereas a single-frame photo is generated from a single video frame located mid-point in the video clip.
  • Quad-frames are UHD (maximum), and single-frames are 1x the original video resolution.
  • All font options are available for use on video frames.

Google Earth

View photo locations in Google Earth via a single click!
Click "Google Earth" in GPStamper's status bar to instantly display photo locations in Google Earth.
  • Saving the generated KML file is optional. Use the KML file to easily create a map in Google My Maps, or generate a KMZ file (with bundled photos) in Google Earth.
  • Make sure that "Allow access to local files and personal data" is checked on Google Earth's "Tools > Options > General" tab if you wish to display thumbnails (as shown above).
  • Requires Google Earth Pro for Windows desktop, version 7.3.1 or later.
  • The ability to view photos in Google Earth remains active after trial expiration.

Geotagging Photos

GPStamper can also geotag JPG/MOV/MP4 files from cameras lacking GPS. Use a track log from any GPS device or mobile app (e.g. myTracks for iOS) to ready the files for location stamping.

Operating Tips

  • Test GPStamper thoroughly before production use.
  • GPStamper should not be installed or run as administrator, to assure proper file drag-and-drop operation.
  • Files must be transferred to computer prior to stamping!
  • Stamping will fail or be incomplete if the metadata selected for stamping is nonexistent or corrupt, or if the file is locked by another application.
  • Vertically oriented images (typically from Nikon cameras) with non-standard image orientation [metadata] tags can terminate the stamping process. Using GPStamper's "AutoRotate Photos" tool prior to stamping may resolve this issue.
  • An internet connection is required to retrieve location descriptions (i.e. AutoLocations).
  • Unicode characters in the Latin-1 character set which include diacritics are not supported by GPStamper, and will have their diacritics removed. Only ASCII characters are supported.
  • Maximum total character length of a stamp is 254 characters (all inclusive).


All Photos Copyright © 2018 Michael Lee

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