---
title: "PDF Viewer – Chrome extension stats, history and permissions"
description: "1,000,000 users, rated 4.28 by 2,729 people. Version 4.6.129, updated 2024-10-28. Requests 7 permissions."
url: "https://extensiontracker.com/extension/oemmndcbldboiebfnladdacbdfmadadm"
---

# PDF Viewer

Live in the Chrome Web Store.

- Users: 1,000,000
- Rating: 4.28 from 2,729 ratings
- Last checked: 2026-11-11 05:24 UTC
- Users gained in 7 days: No change
- Users gained in 30 days: No change (+0.0%)
- Rank by users: #174 of 292,131 live extensions
- Rank in Workflow & Planning: #60 of 49,293

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Uses HTML5 to display PDF files directly in the browser.

- Extension ID: `oemmndcbldboiebfnladdacbdfmadadm`
- Developer: [Rob W](https://extensiontracker.com/developer/u336687fa160e58e37c25213d6e79c1b9)
- Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2013-03-31
- Last updated: 2024-10-28
- Version: `4.6.129`
- Size: 3.21 MiB
- Minimum Chrome: 103
- Languages (1): English
- Website: `pdfjs.robwu.nl`
- Support page: `https://github.com/mozilla/pdf.js/wiki/PDF-Viewer-%28Chrome-extension%29`
- Chrome Web Store: <https://chromewebstore.google.com/detail/pdf-viewer/oemmndcbldboiebfnladdacbdfmadadm>
- View its code or download CRX: <https://crxpeek.com/extension/oemmndcbldboiebfnladdacbdfmadadm>
- Search Google for the ID: <https://www.google.com/search?q=%22oemmndcbldboiebfnladdacbdfmadadm%22&tbs=li:1>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-11 | 1,000,000 | 4.28 | 2,729 |
| 2026-11-03 | 1,000,000 | 4.28 | 2,727 |
| 2026-10-27 | 1,000,000 | 4.26 | 2,726 |
| 2026-10-21 | 1,000,000 | 4.26 | 2,726 |
| 2026-10-13 | 1,000,000 | 4.26 | 2,726 |
| 2026-10-07 | 1,000,000 | 3.32 | 2,725 |
| 2026-10-01 | 1,000,000 | 3.32 | 2,723 |
| 2026-09-27 | 1,000,000 | 3.32 | 2,723 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## Developer history

Moves to another publisher account and new contact emails, newest first.

No move to another account and no new contact email since tracking began on 2026-09-27.

We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/).

## What it can access

From the extension's manifest, in plain language.

**Every website:** it can read and change your data on all the sites you visit.

### Sites

- `<all_urls>`: Every website

### Sites where it runs scripts

- `file://*/*`: Every website
- `http://*/*`: Every website
- `https://*/*`: Every website

### Browser features

- `alarms`: Run tasks on a schedule
- `declarativeNetRequestWithHostAccess`: Block or change network requests on the sites it can reach
- `storage`: Save settings and data in your browser
- `tabs`: Read the addresses and titles of your tabs
- `webNavigation`: Follow your browsing, page by page
- `webRequest`: Watch network requests on the sites it can reach

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Save Image As PNG](https://extensiontracker.com/extension/nkokmeaibnajheohncaamjggkanfbphi) | 400,000 | 4.00 | 442 | Art & Design |
| [Chrome extension source viewer](https://extensiontracker.com/extension/jifpbeccnghkjeaalbbjmodiffmgedin) | 100,000 | 4.60 | 436 | Developer Tools |
| [Don't track me Google](https://extensiontracker.com/extension/gdbofhhdmcladcmmfjolgndfkpobecpg) | 30,000 | 4.59 | 218 | Tools |
| [Display \#Anchors](https://extensiontracker.com/extension/poahndpaaanbpbeafbkploiobpiiieko) | 10,000 | 4.88 | 60 | Workflow & Planning |
| [IMDB Search](https://extensiontracker.com/extension/cbongpcdgehbfeajgkndgkbdkkfdmdik) | 644 | 3.18 | 11 | Tools |
| ["View Vote totals" without 1000 rep](https://extensiontracker.com/extension/oibfliilcglieepgkdkahpfiiigdijdd) | 214 | 4.86 | 14 | Workflow & Planning |

All 7 extensions by [Rob W](https://extensiontracker.com/developer/u336687fa160e58e37c25213d6e79c1b9).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 2026-11-11 05:24 UTC; next check around 2026-11-17.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “PDF Viewer” (oemmndcbldboiebfnladdacbdfmadadm). Chrome Web Store data, last checked 2026-11-11. https://extensiontracker.com/extension/oemmndcbldboiebfnladdacbdfmadadm. Accessed 2026-11-13.

```bibtex
@misc{extensiontracker_oemmndcbldboiebfnladdacbdfmadadm,
  title   = {PDF Viewer (oemmndcbldboiebfnladdacbdfmadadm)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-11},
  url     = {https://extensiontracker.com/extension/oemmndcbldboiebfnladdacbdfmadadm},
  urldate = {2026-11-13}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/oemmndcbldboiebfnladdacbdfmadadm>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.