nguyenq/tess4j
Java JNA wrapper for Tesseract OCR API observed · 2026-08-28
Health v2 · maintenance only
91/100
- Activity 94
- Release rhythm 83
- Longevity 100
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: 87.0
- age_days: 4452
- days_rel: 37
- days_push: 36
- n_releases_24m: 7
Adoption not part of the score
1757 stars · 379 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
Tess4J is a Java JNA wrapper for the Tesseract OCR API, enabling optical character recognition in Java applications. It supports TIFF, JPEG, GIF, PNG, and BMP images, multi-page TIFFs, and PDF documents.
Use cases
- extract text from scanned images in java
- ocr pdf documents programmatically
- read text from png or jpeg files
- convert multi-page tiff to searchable text
- add ocr capability to a java application
- digitize scanned documents
When to choose
- you need OCR from Java/JVM code
- you want Tesseract capabilities without shelling out to the CLI
- you need to process images or PDFs for text extraction
When to avoid
- you need OCR in non-JVM languages (use Tesseract directly)
- you need state-of-the-art accuracy on handwriting or complex layouts
- you want a pure-Java solution without native dependencies
Facets
library · maturity stable
ocr image-processing pdf computer-vision image-processing pdf developer-tools cross-platform jvm windows tesseract java jna text-extraction linux macos
1 source
- readme: https://github.com/nguyenq/tess4j · fetched 2026-08-28 · 8f03e6b24353
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| nguyenq/tess4j | main | 91 |
For agents
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem