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Online API Tester

Chrome extension by yogesh Yadav · Productivity · Developer

A Chrome extension in Productivity · Developer with 5 users, barely installed. Audience over the last 30 days: +4.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 1 screenshot

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
5
Rating
not rated yet
Users, last 30 days
+4
Version
1.0.0
Updated in the store
2026-09-16
Published
2026-09-16
Manifest
V3
Browser access
4 permissions, 2 site patterns

How it has moved

Users
+4 since 02.10
1-5 · 12 readings
  1. 2026-10-102
  2. 2026-10-133
  3. 2026-10-164
  4. 2026-10-173
  5. 2026-10-184
  6. 2026-10-225
  7. 2026-10-234
  8. 2026-10-245
  9. 2026-10-254
  10. 2026-10-275
  11. 2026-10-294
  12. 2026-11-015
Users
+5 since 17.09
0-5 · 15 readings
2026-09-17: appeared in the store
  1. 2026-09-170appeared in the store
  2. 2026-09-212
  3. 2026-09-281
  4. 2026-10-102
  5. 2026-10-133
  6. 2026-10-164
  7. 2026-10-173
  8. 2026-10-184
  9. 2026-10-225
  10. 2026-10-234
  11. 2026-10-245
  12. 2026-10-254
  13. 2026-10-275
  14. 2026-10-294
  15. 2026-11-015

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Every site you visit. This extension can read and change the content of any page you open.

  • See the address and title of every tab you have open tabs
  • Watch the network requests your browser makes webRequest
  • Add items to the right-click menu contextMenus
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

What changed recently

  1. Appeared in the store

The publisher

yogesh Yadav publishes 2 listings we track, 40 users between them.

  1. Dark Coffee Theme yogesh Yadav · Dark · published 2026-03-13 35 users ★ 5.0

Like this one

Listings the catalog judges closest in what they say they do.

  1. Reqium Describes nearly the same job, smaller audience 3 users (last published figure) ★ 5.0
  2. API Tester Describes nearly the same job, smaller audience 328 users ★ 3.7
  3. Test API Describes nearly the same job, smaller audience 1k users ★ 4.8
  4. Mini API Test Describes nearly the same job, smaller audience 16 users
  5. YuiAPI Describes nearly the same job, smaller audience 843 users ★ 5.0

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/lccapaabdefaifpoikadajdogpbjncmo/badge.svg)](https://extops.dev/extensions/lccapaabdefaifpoikadajdogpbjncmo)

HTML

<a href="https://extops.dev/extensions/lccapaabdefaifpoikadajdogpbjncmo"><img src="https://extops.dev/extensions/lccapaabdefaifpoikadajdogpbjncmo/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built