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Tesseract OCR for Android — Wiki

Prebuilt Tesseract 5.5.0 + Leptonica 1.84.1 AAR for Android. On-device text recognition, no NDK, no rebuild, English bundled.

implementation("dev.ffmpegkit-maintained:tesseract-android:5.5.0")

New here? Start with the tutorial

→ Beginner Tutorial — from zero to OCR, step by step, with code for every image source (file, gallery, camera, assets, network).

Pages

• Beginner Tutorial — step-by-step guide with copy-pasteable code.
• Quick Start — install, first OCR pass in 5 lines.
• How Image Decoding Works — why there are no image codecs in the AAR (and why JPEG/PNG/WebP/HEIC all work anyway).
• Languages — bundled English, adding more traineddata, model quality.
• API Reference — TesseractOCR, TesseractConfig, TesseractResult.
• Performance — image prep, PSM modes, release vs debug, OpenMP.
• FAQ — common issues (empty text, low confidence, missing language).
• Pro Integration — 12 languages, best models, OpenMP, batch API.
• Building From Source — submodules, NDK, CMake.

Free vs Pro

	Free	Pro
Languages	English	12 bundled
Models	tessdata_fast	tessdata_best
OpenMP	✗	✅
Batch / advanced API	✗	✅
ABI	arm64-v8a	arm64-v8a + x86_64
Channel	Maven / JitPack / Release	Gumroad

→ Get Pro

Maintained by Jokobee.