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

Latest Version

Version
0.4.2
Update
September 9, 2024
Size
2.54MiB
Developer
Category
Users
200,000+
Rating
4 ★
Manifest Version
3
Web Store Status
Languages Support
English
See more
Permissions
Storage
UnlimitedStorage
ActiveTab
Notifications
Scripting
See more

OCR - Image Reader Extension

This extension adds a toolbar button to your browser to perform OCR. When this action button is pressed, it allows the user to select a region in the currently active window. The extension captures the area and tries to recognize text inside this region using the internal powerful OCR engine (Tesseract engine). This extension uses the \"tesseract.js\" library that supports more than 100 languages, automatic text orientation, and script detection.

This extension loads the JS library on the page and removes it when you are done. This way, there is no long-term resource usage.

Notes:
1. On the first run, the extension might take a few minutes to fetch the training data from the internet. Since this resource is cached, all subsequent calls are going to be fast.
2. Optical character recognition (OCR) is slow, so this extension displays a progress bar for each detection module.
3. This extension does the OCR process offline. There is no server-side interaction. It only fetches the language training database once.
4. This tool can be used to extract the text content out of images, PDF documents, Powerpoint slides, or extract the content of a web page when user-section is forbidden.
5. If the text extraction confidence is low, the extension inverts the image and retries (particularly useful on the dark theme)
6. If the text extraction is not accurate, you can modify the image and drop it into the interface to retry.

Change Logs:
Version 0.2.4:
Supports browser-level page zooming and OS-level screen zooming
Adds image language detection (still beta) (slow operation)
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 3, "version": "0.4.2", "name": "OCR - Image Reader", "description": "A powerful optical character recognition (OCR) extension to capture and convert images to text", "permissions": [ "storage", "unlimitedStorage", "activeTab", "notifications", "scripting" ], "optional_permissions": [ "clipboardWrite" ], "host_permissions": [ "https://tessdata.projectnaptha.com/*.gz", "https://github.com/naptha/tessdata/blob/gh-pages/*.gz?raw=true" ], "homepage_url": "https://webextension.org/listing/ocr.html", "background": { "service_worker": "worker.js" }, "icons": { "16": "/data/icons/16.png", "32": "/data/icons/32.png", "48": "/data/icons/48.png", "64": "/data/icons/64.png", "128": "/data/icons/128.png", "256": "/data/icons/256.png", "512": "/data/icons/512.png" }, "action": {}, "content_security_policy": { "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'" }, "web_accessible_resources": [{ "resources": ["/data/engine/index.html", "/data/inject/sandbox.html"], "matches": [""] }], "commands": { "_execute_action": {} }}
Read more

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User reviews

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Andrii Kosenko (ID: 00000055c876212f) Voted 5 ★ - Updated 11/10/2023 Superb! helpes a lot when you have to work with people who dont know about normal PDF thank you!

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Crazy “blahblah” Blah (ID: 0000005381aeed48) Voted 5 ★ - Updated 09/23/2023 Wish it was a little faster but it does what it supposed to do. thanks a million

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Beisat Oman (ID: 0000005dd4cc31fb) Voted 5 ★ - Updated 09/19/2023 Amazzing

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Glen Stewart (ID: 00000034e40c0b81) Voted 5 ★ - Updated 08/18/2023 Fabulous implementation. Works fine with Vivaldi. Solves a problem where a web page used Javascript to disable text copy for a VIN that was shown on a car sale web page. Why retype? Thanks so much!

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Jewel Deng (ID: 00000043dcce79bd) Voted 5 ★ - Updated 07/20/2023 works perfectly for browser images!