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Echo404: Share Your Voice on 404 Pages

Chrome extension by wangyaozhiyz · Lifestyle · Fun

  • Established publisher

A Chrome extension in Lifestyle · Fun with 5 users, barely installed. Audience over the last 30 days: unchanged.

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
Unchanged
Version
0.0.6
Updated in the store
2025-01-21
Published
2025-01-17
Manifest
V3
Browser access
2 permissions, 1 site pattern

How it has moved

Users
unchanged since 03.10
5-9 · 12 readings
  1. 2026-10-086
  2. 2026-10-099
  3. 2026-10-108
  4. 2026-10-119
  5. 2026-10-137
  6. 2026-10-196
  7. 2026-10-217
  8. 2026-10-226
  9. 2026-10-245
  10. 2026-10-296
  11. 2026-11-015
  12. 2026-11-025
Users
-4 since 31.08
0-9 · 23 readings
  1. 2026-08-319
  2. 2026-09-040
  3. 2026-09-057
  4. 2026-09-074
  5. 2026-09-086
  6. 2026-09-095
  7. 2026-09-157
  8. 2026-09-176
  9. 2026-09-215
  10. 2026-09-266
  11. 2026-09-285
  12. 2026-10-086
  13. 2026-10-099
  14. 2026-10-108
  15. 2026-10-119
  16. 2026-10-137
  17. 2026-10-196
  18. 2026-10-217
  19. 2026-10-226
  20. 2026-10-245
  21. 2026-10-296
  22. 2026-11-015
  23. 2026-11-025

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.

  • Watch the network requests your browser makes webRequest
  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

wangyaozhiyz publishes 4 listings we track, 991 users between them. Listed website: echo404.xyz.

  1. Recap: Smart Split and Summarize with ChatGPT wangyaozhiyz · Productivity · Workflow · published 2023-04-09 637 users ★ 1.7
  2. ChatGPT Sugar: Make Your ChatGPT Sweeter wangyaozhiyz · Productivity · Tools · published 2024-01-02 318 users ★ 5.0
  3. ChatGPT Prompt History wangyaozhiyz · Productivity · Workflow · published 2023-06-05 31 users ★ 3.0

Like this one

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

  1. WebEcho Describes nearly the same job, smaller audience 7 users
  2. Relaxing 404 page Describes nearly the same job, smaller audience 13 users ★ 5.0
  3. Corners of Internet Describes nearly the same job, smaller audience 418 users ★ 4.9
  4. 404 Redirect Describes nearly the same job, smaller audience 17 users
  5. 404Found Describes nearly the same job, smaller audience 5 users (last published figure)

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/kbfaphjlpifoeacioffafnclhhdgkahm/badge.svg)](https://extops.dev/extensions/kbfaphjlpifoeacioffafnclhhdgkahm)

HTML

<a href="https://extops.dev/extensions/kbfaphjlpifoeacioffafnclhhdgkahm"><img src="https://extops.dev/extensions/kbfaphjlpifoeacioffafnclhhdgkahm/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