# OCR - Image Reader

> A powerful optical character recognition (OCR) extension to capture and convert images to text

Canonical page: [https://chrome-stats.com/d/ocr-image-reader](https://chrome-stats.com/d/ocr-image-reader)

## Overview

- **ID:** `ocr-image-reader`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Brian
- **Category:** web-development,privacy-security
- **Daily users:** 8,441
- **Weekly downloads:** 199
- **Rating:** 4.15 / 5 (48 ratings)
- **Version:** 0.5.3
- **Last updated:** 2026-08-25
- **First published:** 2021-05-25
- **Size:** 8.07 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/ocr-image-reader/)
- **Website:** [https://add0n.com/ocr.html](https://add0n.com/ocr.html)

## Description

OCR - Image Reader is a versatile Chrome extension designed to effortlessly extract text from images, PDF documents, PowerPoint slides, and restricted web page sections. Utilizing the powerful tesseract.js OCR engine, it supports over 100 languages with automatic text orientation and script detection to ensure accurate conversion. 

The extension allows users to select any region of their active browser window to capture and convert image content into editable text. It operates entirely offline after an initial language training data download, ensuring privacy and minimal resource usage. Real-time progress indicators keep users informed during the recognition process, making text extraction seamless and efficient.

## Rankings

- #859 — Overall
- #82 — Web Development
- #192 — Privacy & Security
- #1 — ocr
- #11 — text-to-image
- #15 — hd image

## Permissions and access

### Permissions

- `storage`
- `unlimitedStorage`
- `activeTab`
- `notifications`
- `scripting`

### Host permissions

- `https://tessdata.projectnaptha.com/*.gz`
- `https://github.com/naptha/tessdata/blob/gh-pages/*.gz?raw=true`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Request access to the following domains: projectnaptha.com, github.com
- This extension was recently updated in the past month. New updates may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Review summary

The add-on is generally reliable and multilingual, meeting user needs, but users report inconsistent accuracy with garbled output on some images.

### Pros

- Functional OCR that actually works.
- Supports multiple languages / strong multilingual recognition.
- Does exactly what I needed / meets user needs.

### Cons

- OCR accuracy can be inconsistent, producing garbled results on otherwise legible text (even at high accuracy).

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Source: [Chrome-Stats](https://chrome-stats.com/d/ocr-image-reader)