JSON-LD Tester

Name: JSON-LD Tester
Rating: 4.88 (16 reviews)
Author: Gerhard Kanzler

JSON LD Test and Viewer

As of May 2026, JSON-LD Tester has 8,000 users and a 4.88/5 rating from 16 reviews in the Developer Tools category.

Gerhard Kanzler Developer Tools

Chrome Web Store ↗.crx

Users+14.3%

8.0K

8,000

Rating+0.2%

4.88

16 reviews

Reviews+6.7%

Version

1.0.14

Manifest V3

90-day change · In the last 90 days this extension gained 1.0K users.

History

1 snapshots

Tracking since May 28, 2026.

View as table

Date	Users	Rating	Reviews	Version
May 28, 2026	7.0K	4.87	15	1.0.14
Now	8.0K	4.88	16	1.0.14

Permissions & access

Permissions: webRequestdeclarativeNetRequestactiveTabdeclarativeNetRequestWithHostAccessstorage
Host access: <all_urls>

Screenshots

About

1.0.14:
- Multi Language Support
  - ch/en/de/es

1.0.13:
- Bugfix a message Error

1.0.12:
- Bugfix with Darkmode

1.0.10:
- add Darkmode
- fix bug with with wrong link when click "Test all"

1.0.9:
- change link to test single snippets

1.0.8:
- remove "alarms" and "tabs" from permissions
- add Manifest v3

1.0.6:
- Json Test is now the Rich-Test's from Google

1.0.5:
- small Bugfix for css.

1.0.4:
- Update for small Bugfixes

1.0.3:
- Refresh Button (do not need to refresh the site only in popup) / Seite nochmal durchsuchen über den Refresh Button
- Show Canonical / Der Canonical wir angezeigt wenn vorhanden
- Show Robots / Zeigt die Robots content an wenn vorhanden

- Remove <script> Tags for Validation on Google Page

Validate and Show the JSON-LD data from the current tab.

Dieses Tool zeigt die Anzahl der JSON-LD Daten auf einer Website an.
Im Popup Menü gibt es die Möglichkeit die Daten zu Validieren.