Skip to content

tesseract

Open Source OCR Engine

v5.2.5 · Jan 26, 2026 · Apache License 2.0

Description

Bindings to 'Tesseract': a powerful optical character recognition (OCR) engine that supports over 100 languages. The engine is highly configurable in order to tune the detection algorithms and obtain the best possible results.

Downloads

CRAN

94K

Last 30 days

356th

290.4K

Last 90 days

1.1M

Last year

Trend: -2.6% (30d vs prior 30d)

r2u CRAN

62

Last 30 days

177

Last 90 days

715

Last year

Trend: +29.2% (30d vs prior 30d)

conda-forge CRAN

198

Last 30 days

692

Last 90 days

5.5K

Last year

Trend: -48.6% (30d vs prior 30d)

CRAN Check Status

12 OK
Show all 12 flavors
Flavor Status
r-devel-linux-x86_64-debian-clang OK
r-devel-linux-x86_64-debian-gcc OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 OK
r-oldrel-macos-x86_64 OK
r-oldrel-windows-x86_64 OK
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK

Check History

OK 11 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Apr 25, 2026
NOTE 10 OK · 3 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Apr 22, 2026
NOTE r-oldrel-macos-arm64

installed package size

installed size is 33.8Mb
  sub-directories of 1Mb or more:
    doc        1.1Mb
    libs      10.4Mb
    tessdata  22.2Mb
NOTE r-oldrel-macos-x86_64

installed package size

installed size is 33.0Mb
  sub-directories of 1Mb or more:
    doc        1.1Mb
    libs       9.6Mb
    tessdata  22.2Mb
NOTE r-oldrel-windows-x86_64

installed package size

installed size is 23.3Mb
  sub-directories of 1Mb or more:
    doc        1.1Mb
    libs       8.1Mb
    tessdata  14.0Mb
ERROR 9 OK · 3 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Apr 18, 2026
ERROR r-devel-windows-x86_64

whether package can be installed

Installation failed.
See 'd:/Rcompile/CRANpkg/local/4.6/tesseract.Rcheck/00install.out' for details.
NOTE r-oldrel-macos-arm64

installed package size

installed size is 33.8Mb
  sub-directories of 1Mb or more:
    doc        1.1Mb
    libs      10.4Mb
    tessdata  22.2Mb
NOTE r-oldrel-macos-x86_64

installed package size

installed size is 33.0Mb
  sub-directories of 1Mb or more:
    doc        1.1Mb
    libs       9.6Mb
    tessdata  22.2Mb
NOTE r-oldrel-windows-x86_64

installed package size

installed size is 23.3Mb
  sub-directories of 1Mb or more:
    doc        1.1Mb
    libs       8.1Mb
    tessdata  14.0Mb
NOTE 10 OK · 3 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
NOTE r-oldrel-macos-arm64

installed package size

installed size is 33.8Mb
  sub-directories of 1Mb or more:
    doc        1.1Mb
    libs      10.4Mb
    tessdata  22.2Mb
NOTE r-oldrel-macos-x86_64

installed package size

installed size is 33.0Mb
  sub-directories of 1Mb or more:
    doc        1.1Mb
    libs       9.6Mb
    tessdata  22.2Mb
NOTE r-oldrel-windows-x86_64

installed package size

installed size is 23.3Mb
  sub-directories of 1Mb or more:
    doc        1.1Mb
    libs       8.1Mb
    tessdata  14.0Mb

Code intelligence has not been computed for this package yet.

Code

Structure

Lines of code

1,204

Files

31

Compiled share

36.1%

Has compiled src

Yes

Language breakdown

R 424 (35.2%)C/C++/src 435 (36.1%)Tests 1 (0.1%)Docs 183 (15.2%)Vignettes 161 (13.4%)

API

Exported functions

6

Internal functions

25

Testing & CI

Has tests

Yes

Test-to-code ratio

0.00

testthat edition

CI present

No

CI type

[]

PR gated

No

Docs

Return-value doc rate

0%

\dontrun example ratio

33.3%

Roxygen coverage

100%

Has pkgdown

No

NEWS present

Yes

Health & Security signals

Informational signals; not verdicts.

on.exit coverage

100%

Unsafe pattern score

4

Dep constraint coverage

40%

Secret pattern count

0

Bundled 3rd-party code

2 items

Portability & License

Min R version

System requirements

2

C++ standard

License

Apache License 2.0

License flags

SPDX valid, OSI approved

History

Versions

25

First release

2016-11-04

Latest release

2026-01-26

Avg cadence

80 days

Cold removal rate

Dep drift

8

LOC over versions

v1.0: 353 LOCv1.1: 377 LOCv1.2: 377 LOCv1.3: 543 LOCv1.4: 558 LOCv1.6: 597 LOCv1.8: 602 LOCv1.9: 642 LOCv2.0: 1,115 LOCv2.1: 1,128 LOCv2.2: 1,109 LOCv2.3: 1,124 LOCv4.0: 1,123 LOCv4.1: 1,157 LOCv4.1.1: 1,190 LOCv4.1.2: 1,190 LOCv4.2.0: 1,200 LOCv5.0.0: 1,186 LOCv5.1.0: 1,180 LOCv5.2.0: 1,188 LOCv5.2.1: 1,188 LOCv5.2.2: 1,206 LOCv5.2.3: 1,206 LOCv5.2.4: 1,206 LOCv5.2.5: 1,204 LOC

Per-file churn detail lives in the source pipeline: https://github.com/r-observatory/cran-code-metrics.

Reverse Dependencies (9)

Dependency Network

Dependencies Reverse dependencies Rcpp pdftools curl rappdirs digest LLMAgentR camtrapR effectcheck imagerExtra inlpubs magick orderanalyzer pdftools poldis tesseract

Version History

26 tracked
new 5.2.5 Mar 10, 2026
updated 5.2.5 ← 5.2.4 diff Jan 25, 2026
updated 5.2.4 ← 5.2.3 diff Dec 28, 2025
updated 5.2.3 ← 5.2.2 diff Mar 22, 2025
updated 5.2.2 ← 5.2.1 diff Oct 3, 2024
updated 5.2.1 ← 5.2.0 diff Nov 19, 2023
updated 5.2.0 ← 5.1.0 diff Sep 25, 2023
updated 5.1.0 ← 5.0.0 diff May 28, 2022
updated 5.0.0 ← 4.2.0 diff Jan 9, 2022
updated 4.2.0 ← 4.1.2 diff Dec 2, 2021
updated 4.1.2 ← 4.1.1 diff Sep 17, 2021
updated 4.1.1 ← 4.1 diff May 9, 2021
updated 4.1 ← 4.0 diff Jul 24, 2019
updated 4.0 ← 2.3 diff Nov 1, 2018
updated 2.3 ← 2.2 diff Aug 9, 2018