local Tesseract.js by ivysrono
Redirect tesseract.js CDNs (jsdelivr and unpkg) to build-in version.
ExperimentalExperimental
Available on Firefox for Android™Available on Firefox for Android™
2 Users2 Users
Scan the QR code to open this extension in Firefox for Android
Extension Metadata
About this extension
This is a web browser extension that emulates tesseract.js Content Delivery Networks to improve your online privacy, or work on offline.
It intercepts traffic, finds tesseract.js resources locally, and injects them into the environment.
All of this happens automatically, so no prior configuration is required, just like https://addons.mozilla.org/firefox/addon/decentraleyes/ and https://addons.mozilla.org/firefox/addon/localcdn-fork-of-decentraleyes/
Test in tesseract.js official site: https://tesseract.projectnaptha.com/
Build-in 6 files:
1: tesseract.min.js
src: https://github.com/naptha/tesseract.js
cdn: https://cdn.jsdelivr.net/npm/tesseract.js/dist/tesseract.min.js
2: worker.min.js
src: https://github.com/naptha/tesseract.js
cdn: https://cdn.jsdelivr.net/npm/tesseract.js/dist/worker.min.js
3: tesseract-core-simd-lstm.wasm.js
src: https://github.com/naptha/tesseract.js-core
cdn: https://cdn.jsdelivr.net/npm/tesseract.js-core/tesseract-core-simd-lstm.wasm.js
4: tesseract-core-relaxedsimd-lstm.wasm.js
src: https://github.com/naptha/tesseract.js-core
cdn: https://cdn.jsdelivr.net/npm/tesseract.js-core/tesseract-core-relaxedsimd-lstm.wasm.js
5: eng.traineddata.gz 4.0.0_best_int
src: https://github.com/naptha/tessdata/tree/gh-pages/4.0.0_best_int
cdn: https://cdn.jsdelivr.net/npm/@tesseract.js-data/eng/4.0.0_best_int/eng.traineddata.gz
6: chi_sim.traineddata.gz 4.0.0_best_int
src: https://github.com/naptha/tessdata/tree/gh-pages/4.0.0_best_int
cdn: https://cdn.jsdelivr.net/npm/@tesseract.js-data/chi_sim/4.0.0_best_int/chi_sim.traineddata.gz
It intercepts traffic, finds tesseract.js resources locally, and injects them into the environment.
All of this happens automatically, so no prior configuration is required, just like https://addons.mozilla.org/firefox/addon/decentraleyes/ and https://addons.mozilla.org/firefox/addon/localcdn-fork-of-decentraleyes/
Test in tesseract.js official site: https://tesseract.projectnaptha.com/
Build-in 6 files:
1: tesseract.min.js
src: https://github.com/naptha/tesseract.js
cdn: https://cdn.jsdelivr.net/npm/tesseract.js/dist/tesseract.min.js
2: worker.min.js
src: https://github.com/naptha/tesseract.js
cdn: https://cdn.jsdelivr.net/npm/tesseract.js/dist/worker.min.js
3: tesseract-core-simd-lstm.wasm.js
src: https://github.com/naptha/tesseract.js-core
cdn: https://cdn.jsdelivr.net/npm/tesseract.js-core/tesseract-core-simd-lstm.wasm.js
4: tesseract-core-relaxedsimd-lstm.wasm.js
src: https://github.com/naptha/tesseract.js-core
cdn: https://cdn.jsdelivr.net/npm/tesseract.js-core/tesseract-core-relaxedsimd-lstm.wasm.js
5: eng.traineddata.gz 4.0.0_best_int
src: https://github.com/naptha/tessdata/tree/gh-pages/4.0.0_best_int
cdn: https://cdn.jsdelivr.net/npm/@tesseract.js-data/eng/4.0.0_best_int/eng.traineddata.gz
6: chi_sim.traineddata.gz 4.0.0_best_int
src: https://github.com/naptha/tessdata/tree/gh-pages/4.0.0_best_int
cdn: https://cdn.jsdelivr.net/npm/@tesseract.js-data/chi_sim/4.0.0_best_int/chi_sim.traineddata.gz
Rated 0 by 0 reviewers
Permissions and data
Required permissions:
- Block content on any page
Optional permissions:
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 2026.9.14
- Size
- 6.21 MB
- Last updated
- 13 hours ago (Sep 14, 2026)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
- Add to collection