OpenLink Structured Data Sniffer

Adds structured data discovery and handling of multiple content-types to your browser. Reveals Structured Metadata embedded within HTML pages in notations including POSH (Plain Old Semantic HTML), Microdata, JSON-LD, RDF-Turtle, and RDFa.

OpenLink Structured Data Sniffer is available to install from Firefox Browser Add-ons and for download from this page. It has 449 active users The latest version is 3.4.8, and it was published 2 months ago.

Install from Firefox Browser Add-ons
View source code
Total download count: 0 (Only count downloads from Firefox-Stats)

All available versions

You can find the current and older versions of OpenLink Structured Data Sniffer here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

Upgrade to download older versions
Version Download Size Download count Timestamp
3.4.8 XPI · ZIP · Source code 2.53M 0 2024-11-12
3.3.10 Paid users only 2.53M 0 2024-06-23
3.2.29 Paid users only 2.52M 0 2024-04-26
3.2.27 Paid users only 2.52M 0 2024-04-21
3.0.16 Paid users only 2.50M 0 2023-07-09
3.0.0 Paid users only 1.79M 0 2023-04-30
2.22.10 Paid users only 1.73M 0 2023-01-12
2.21.13 Paid users only 1.53M 0 2022-12-19
2.21.6 Paid users only 1.53M 0 2022-11-05
2.21.4 Paid users only 1.53M 0 2022-11-04
2.20.30 Paid users only 1.45M 0 2022-05-23

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.

  1. Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

  2. In Firefox browser, go to about:addons to open Add-ons Manager
  3. Click on , then select Install Add-on From File
  4. Select the OpenLink Structured Data Sniffer ZIP file from step 1. OpenLink Structured Data Sniffer is now installed on your browser.