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tesseract v5.5.1

Created: 2017-09-04
Updated: 2025-10-13

An OCR Engine that was developed at HP Labs between 1985 and 1995... and now at Google.

https://github.com/tesseract-ocr/tesseract

# License

Apache-2.0

Apache License 2.0

LICENSE

# Supported Platforms

!uwp

✅ linux
✅ osx
✅ windows

❌ ~~uwp~~

# Features

No default features set.

# training-tools

build training tools

Dependencies:

and 18 transitive dependencies:

brotli (by freetype )
bzip2 (by freetype )
dirent (by cairo )
expat (by cairo )
freetype (by fontconfig , harfbuzz , pango )
Features: brotli , bzip2 , png , zlib
fribidi (by pango )
gettext-libintl (by glib )
glib (by cairo )
harfbuzz (by pango )
Platforms: osx
Features: coretext , freetype
libffi (by glib )
libiconv (by fontconfig )
Platforms: !windows
libpng (by cairo )
libuuid (by fontconfig )
Platforms: !osx & !windows
pcre2 (by glib , pcre2 )
Platforms: !emscripten & !ios
Features: jit , platform-default-features
pixman (by cairo )
pthread (by cairo )
pthreads (by pthread )
zlib (by libpng )

Host Dependencies:

7 transitive dependencies:

gettext (by glib )
Features: tools
gperf (by fontconfig )
vcpkg-cmake (by expat )
vcpkg-cmake-config (by expat )
vcpkg-cmake-get-vars (by libpng )
Platforms: arm & android
vcpkg-make (by gperf )
vcpkg-tool-meson (by pixman )

# Dependencies

cpu-features
Platforms: android
curl
Features: (none)
leptonica
libarchive
Features: (none)

and 7 transitive dependencies:

giflib (by leptonica )
libjpeg-turbo (by leptonica )
libpng (by leptonica )
libwebp (by leptonica , libwebp )
Platforms: osx & x64
Features: simd , unicode
openjpeg (by leptonica )
tiff (by leptonica )
Features: (none)
zlib (by curl )

# Host Dependencies

and one transitive dependency:

vcpkg-cmake-get-vars (by libpng )
Platforms: arm & android

# Dependents

ffmpeg (feature tesseract )
libmupdf (feature ocr )
opencv3 (feature contrib )
opencv4 (feature contrib )

# Host Dependents

No dependents.

# Contributors

Arkady Shapkin
Alexander Karatarakis
Robert Schumacher
Pavel Lučivňák
guest512
Raynor Vliegendhart
Victor Romero
Stefano Sinigardi
pravic
zhbanito
Lily
NancyLi1013
Phoebe
Alexander Neumann
Jack·Boos·Yu
Matthew Oliver
autoantwort
Nursultan Zarlyk
Lily Wang
Frank
Russell Greene
Alexander Rozdaybeda
jim wang
hesmar
Billy O'Neal
Mengna Li
Kai Pastor
toge

# Changelog

4b81ab3
4b81ab3 [libmupdf] Update, fix CMake (#47698)
2025-10-13
8c9de7c
8c9de7c [tesseract] update to 5.5.1 (#45714)
2025-05-28
b112a65
b112a65 [tesseract] Add missing dependency pkgconf of feature training-tools (#42018)
2024-11-22
d5667ec
d5667ec [tesseract] Update to 5.5.0 (#42147)
2024-11-15
b8a9371
b8a9371 [curl] Update to 8.10.0 (#40903)
2024-09-11
6e48820
6e48820 [tesseract] Update to 5.4.1 (#39552)
2024-06-28
f3a1279
f3a1279 [tesseract] Update version to 5.3.4 (#36316)
2024-01-24
06f19b6
06f19b6 [tesseract] Update to 5.3.3 (#34868)
2023-11-05
ab3c724
ab3c724 [tesseract] update to 5.3.2 (#33852)
2023-09-20
6a89e6c
6a89e6c [tesseract] no tool text2image (#33749)
2023-09-14

and 40 more commits:

9fffbcf
9fffbcf [tesseract] Fix build on Android (#33625)
2023-09-07
e5f4e66
e5f4e66 [tesseract] fix unrecognized command line option -mfpu=neon on aarch64 (#32507)
2023-07-11
93b7a0d
93b7a0d [tesseract] Fix training-tools feature compilation error (#31888)
2023-06-13
c786d06
c786d06 [tesseract] Install additional headers (#29670)
2023-04-11
ba588a0
ba588a0 [tesseract] Update and fix feature training-tools build (#29225)
2023-02-03
455d8d8
455d8d8 [tesseract] Link executable to libarchive to fix linker error (#27307)
2022-10-24
1eb4c7f
1eb4c7f [Tesseract] add support [arm-osx] and [arm-linux] (#26420)
2022-09-02
d343100
d343100 [tesseract] fix downstream usage (#26378)
2022-08-17
69e4d02
69e4d02 [tesseract] update to 5.2.0 (#26114)
2022-08-15
f2b8c68
f2b8c68 [Tesseract] Add arm64-windows (#26242)
2022-08-12
6ce8ef3
6ce8ef3 [ports] add support expressions (#23034)
2022-02-17
f315dea
f315dea [tesseract] Fix non-Windows build (#21320)
2021-12-10
546813a
546813a [glib up to gtk] update and make it work with meson (#13100)
2021-04-26
85a48c1
85a48c1 [ffmpeg] Add support for dav1d,fontconfig,freetype,fribidi,ilbc,modplug,opengl,openjpeg,libssh,tensorflow,tesseract,webp,libxml2 dependencies. (#15787)
2021-04-07
f89336d
f89336d [libarchive+tesseract+opencv] add missing libarchiveConfig.cmake, fix tesseract downstream and unblock opencv CI (#15089)
2021-01-16
e054fe2
e054fe2 [OpenCV] fix compatibility with VTK9 (#12785)
2020-12-11
6e073f1
6e073f1 [tesseract] Enable dynamic build, format portfile.cmake (#14650)
2020-11-23
3a26eb3
3a26eb3 [intl/gettext/fontconfig] update to native build system (#11776)
2020-11-17
5e8bcc9
5e8bcc9 [Many ports] fix invalid character in feature name (#12306)
2020-07-08
d672201
d672201 [tesseract] port update to 4.1.1 release (#9629)
2020-01-17
496f5cd
496f5cd Update -ldl as CMAKE_DL_LIBS
2019-12-17
32860b3
32860b3 Update text2image patch
2019-12-09
ad2b1d3
ad2b1d3 Remove space
2019-12-09
d94d12c
d94d12c [tesseract] Fix feature name and build error
2019-12-09
726c111
726c111 [vcpkg] fatal_error when patch fails to apply (#8087)
2019-10-07
0e9d0cd
0e9d0cd [tiff][tesseract][xerces-c] Disable unmanaged optional dependencies (#7622)
2019-08-12
cf32345
cf32345 [tesseract[training_tools]] Fix build error (#7360)
2019-07-24
1223604
1223604 [tesseract] port update to 4.1.0 release (#7227)
2019-07-18
374806d
374806d [tesseract] Fix Port. Making it crossplatform (#7144)
2019-07-09
47d206e
47d206e [many ports] improvements for linux/wsl (#6730)
2019-06-20
18b029a
18b029a [WIP] Add a Homepage URL entry for vcpkg ports (#2933)
2019-06-15
a930373
a930373 [LibLZMA] automatic configuration (#6000)
2019-05-28
050e71d
050e71d Remove references to CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS (#5937)
2019-05-02
197fbf3
197fbf3 [tesseract] Update to 4.0.0
2018-12-05
6545887
6545887 Updated tesseract to 3.05.02
2018-08-09
c2fb13a
c2fb13a fix leptonica in tesseract
2018-05-26
0842b6c
0842b6c [tesseract] Automatically link ws2_32 to prevent missing symbol issues in clients.
2018-03-30
7e3dcc4
7e3dcc4 [tesseract] Fix static linking. [icu][tiff] Add patches in toolchain to fix static linking.
2017-11-15
26516fe
26516fe vcpkg_configure_cmake (and _meson) now embed debug symbols within static libs (/Z7)
2017-09-09
15b0c1a
15b0c1a [tesseract] Initial port. Closes #465
2017-09-04

# Source