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h264ify (V3)

Chrome extension by Master Tools · Productivity · Workflow

A Chrome extension in Productivity · Workflow with 1 000 users, a small but real audience.

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

What the developer says, and 2 screenshots

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

Users
1 000
Rating
4.0 (4 ratings)
Users, last 10 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
3.0.0
Updated in the store
2024-08-07
Published
2024-08-07
Manifest
V3
Browser access
3 permissions, 1 site pattern

How it has moved

Users
unchanged since 31.08
1k · 2 readings
  1. 2026-08-311k
  2. 2026-09-091k
Rating
unchanged since 31.08
reviewsrating 4.00 · 2 readings
  1. 2026-08-31reviews4rating4.00
  2. 2026-09-09reviews4rating4.00
Users
unchanged since 31.08
1k · 2 readings
  1. 2026-08-311k
  2. 2026-09-091k
Rating
unchanged since 31.08
reviewsrating 4.00 · 2 readings
  1. 2026-08-31reviews4rating4.00
  2. 2026-09-09reviews4rating4.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once 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.

  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • 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

Master Tools publishes 9 listings we track, 204k users between them.

  1. Location Guard (V3) Master Tools · Make Chrome Yours · Accessibility · published 2025-01-13 100k users ★ 4.4
  2. Proxy SwitchyOmega (V3) Master Tools · Productivity · Developer · published 2024-08-06 100k users ★ 3.4
  3. Global Speed Accelerator Master Tools · Make Chrome Yours · Accessibility · published 2024-02-26 991 users ★ 5.0
Show 5 more from this publisher
  1. SEO META in 1 CLICK (V3) Master Tools · Productivity · Developer · published 2024-08-15 839 users ★ 5.0
  2. ChatGPT Assistant - GPT Search Master Tools · Productivity · Workflow · published 2025-02-15 528 users ★ 5.0
  3. Dumbload (Free Video Downloader) Master Tools · Productivity · Tools · published 2024-08-30 385 users ★ 3.0
  4. JSON Viewer Master Tools · Productivity · Developer · published 2024-09-04 355 users ★ 5.0
  5. Youtube Ad Cleaner Master Tools · Productivity · Workflow · published 2024-07-31 52 users ★ 3.7

Like this one

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

  1. h264ify Describes nearly the same job, with a large installed audience 1.0M users ★ 4.6
  2. YouTube H.264 Optimizer Describes nearly the same job, smaller audience 1k users ★ 4.8
  3. enhanced-h264ify Describes nearly the same job, with a large installed audience 100k users ★ 4.8
  4. Video Encoding Format Blocker Describes nearly the same job, smaller audience 71 users
  5. Video Quality Fixer for YouTube Describes nearly the same job, smaller audience 4k users ★ 4.2

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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Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.