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Tesseract Open Source OCR Engine (main repository)

68 mentions on Hacker News by 68 people: 9 stories, 59 comments · first 2015-06-25 · latest 2025-10-20

Mentions per year 68 mentions · busiest year 2017 (9)
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  1. How does it compare to Tesseract? https://github.com/tesseract-ocr/tesseract I use ocrmypdf (which uses Tesseract). Runs locally and is absolutely fantastic. https://ocrmypdf.readthedocs.io/en/latest/
    comment by foofoo12 · 2025-10-20 · in DeepSeek OCR
  2. …s://www.home-assistant.io/integrations/seven_segments/ https://www.unix-ag.uni-kl.de/~auerswal/ssocr/ https://github.com/tesseract-ocr/tesseract https://community.home-assistant.io/t/ocr-on-camera-image-fo...…
    comment by ramses0 · 2025-03-06 · in Mistral OCR
  3. Would like to know how this compares to https://github.com/tesseract-ocr/tesseract
    comment by zitterbewegung · 2025-02-28 · in OlmOCR: Open-source tool to extract plain text from PDFs
  4. …could script it using Gemini via the API[1]. Or use Tesseract[2]. [1]: https://ai.google.dev/ [2]: https://github.com/tesseract-ocr/tesseract
    comment by mindcrime · 2025-02-16 · in Ask HN: What is the best method for turning a scanned book as a PDF into text?
  5. …(OCR) and handwritten (HTR) material.“ It seems to be based on OCR-D, which itself is based on - https://github.com/tesseract-ocr/tesseract - https://kraken.re/main/index.html - https://github.com/ocropus-archive/DUP-ocropy -…
    comment by amai · 2025-02-14 · in OCR4all
  6. …but its OCR quality is inferior. I'm not sure what the best answer for Linux or Android is. I guess https://github.com/tesseract-ocr/tesseract ?
    comment by skissane · 2024-06-24 · in Llama.ttf: A font which is also an LLM
  7. Many of the free or cheap OCR services are based on the free, open-source Tesseract OCR. https://github.com/tesseract-ocr/tesseract/ Those services usually do not expose all of the options. If you’re handy with shell scripts or Python, you…
    comment by bdowling · 2024-06-08 · in Ask HN: How to OCR a PDF and preserve whitespace?
  8. …the whole scan thing, and apple can — in some cases — correctly transcribe characters from images. https://github.com/tesseract-ocr/tesseract
    comment by PartiallyTyped · 2024-06-01 · in Ask HN: How to transcribe 1000s of handwritten notes
  9. …like libreoffice, ghostscript, google's tesseract and a bunch of other tools, Google's Tesseract: https://github.com/tesseract-ocr/tesseract
    comment by sanusihassan · 2024-05-13 · in I built an online PDF management platform using open-source software
  10. tesseract OCR is open source and very good. https://github.com/tesseract-ocr/tesseract
    comment by freddealmeida · 2024-01-01 · in Ask HN: What's the best out-of-box Document OCR/Analyzing/recognition API?
  11. …the git mentions tesseract 5 as a dep. so it's likely moved on a bit from when you last tried it: https://github.com/tesseract-ocr/tesseract/releases I suppose it depends on your use-case. For personal tasks like this it should be more…
    comment by rereasonable · 2023-12-01 · in Marker: Convert PDF to Markdown quickly with high accuracy
  12. …about Calibre for this - I was relying on opening each search and searching it individually. [0]: https://github.com/tesseract-ocr/tesseract [1]: https://www.opait.com/tessstudio/
    comment by ggpsv · 2023-11-18 · in Calibre – New in Calibre 7.0
  13. > Does android even have native OCR? Tesseract? https://github.com/tesseract-ocr/tesseract
    comment by smoldesu · 2023-10-12 · in OpenAI is too cheap to beat
  14. [1] https://github.com/tesseract-ocr/tesseract/issues/3447 Less that 20 years ago. Not a small project.
    comment by ElectricalUnion · 2023-06-20 · in Filenames and pathnames in shell: How to do it correctly (2020)
  15. …startup) I wrote a more in-depth blog post about it[4] [0] https://github.com/upscayl/upscayl [1] https://github.com/tesseract-ocr/tesseract [2] https://www.algolia.com/ [3] https://github.com/KlothoPlatform/klotho [4]…
    comment by ashiban · 2023-01-27 · in Show HN: Search inside 15,000 pitchdeck slides
  16. > (…) better than Tesseract Isn’t Tesseract also neural network-based? https://github.com/tesseract-ocr/tesseract
    comment by simplotek · 2023-01-22 · in Google calls in help from Larry Page and Sergey Brin for A.I. fight
  17. > Would love to find a cheaper (local) option vs AWS How about tesseract ( https://github.com/tesseract-ocr/tesseract ) There’s even a library for php ( https://github.com/thiagoalessio/tesseract-ocr-for-php ). Haven’t used it. I did used…
    comment by lhuser123 · 2022-10-10 · in PDF processing and analysis with open-source tools (2021)
  18. …OCR[2] under the hood. [1]: https://flathub.org/apps/details/com.github.tenderowl.frog [2]: https://github.com/tesseract-ocr/tesseract
    comment by definitely-not · 2022-06-17 · in macOS screenshot tricks to impress your co-workers
  19. …(agpl) also implements ocr with tesseractocr: https://docs.paperbase.app/ tesseract-ocr/tesseract https://github.com/tesseract-ocr/tesseract /? https://github.com/awesome-selfhosted/awesome-selfhosted#sea... ctrl-f "ocr"
    comment by westurner · 2022-06-02 · in Show HN: An open source alternative to Evernote (Self Hosted)
  20. …a small fraction as simple and straightforward and plain useful as the built in tools on Mac OS X. https://github.com/tesseract-ocr/tesseract
    comment by selectodude · 2021-11-28 · in I returned my Remarkable2
  21. > we still don't have an easy to use and free high end OCR available There is Tesseract: https://github.com/tesseract-ocr/tesseract > Australia's Trove is getting humans to translate them‽ Your link clearly refers to correcting an existing…
    comment by yorwba · 2021-03-20 · in Georgian African American newspapers from 1886-1926 now available freely online
  22. What version of Tesseract, out of interest? https://github.com/tesseract-ocr/tesseract/issues/2052 looks like a potentially similar issue reported upstream.
    comment by jka · 2021-03-06 · in Tesseract Teaser
  23. …Indeed, adding one may cause issues for at least some PDF readers, according to discussion at https://github.com/tesseract-ocr/tesseract/issues/1150 . But anyhow, in short: that's simply UTF-16BE text being represented as a series of…
    comment by jfk13 · 2021-02-01 · in Null characters in Postgres: workarounds aren’t good enough
  24. https://github.com/tesseract-ocr/tesseract seems to be written in c++ not python
    comment by mouldysammich · 2020-12-02 · in Rga: Ripgrep, but also search in PDFs, E-Books, Office documents, zip, tar.gz
  25. …even managed to get OCR down with Tesseract[0] Photo: https://imgur.com/a/wrqUs93 [0]: Tesseract: https://github.com/tesseract-ocr/tesseract
    comment by amingilani · 2020-10-20 · in Free PDF merging tool that works without any file upload to ensure privacy
  26. …is required to make tesseract perform as expected. [0] ( https://www.askgoose.com ) [1] ( https://github.com/tesseract-ocr/tesseract )
    comment by shiredude95 · 2020-07-08 · in EasyOCR: Ready-to-use OCR with 40 languages
  27. …call out to other processes or services. Tesseract[1], for example, is pretty easy to work with. 1: https://github.com/tesseract-ocr/tesseract
    comment by driverdan · 2020-07-08 · in EasyOCR: Ready-to-use OCR with 40 languages
  28. …using latest Manheim model as a base. I added about 20k lines which is not really that much. https://github.com/tesseract-ocr/tesseract/wiki The hard part was crowd sourcing those 20k lines :) Tesseract might not be best for photos as you…
    comment by sireat · 2020-07-08 · in EasyOCR: Ready-to-use OCR with 40 languages
  29. …job of extracting text via OCR and storing as a PDF layer. The underlying engine can be either https://github.com/tesseract-ocr/tesseract or http://jocr.sourceforge.net/
    comment by flicken · 2020-05-22 · in Ask HN: OCR framework for extracting formatted text?
  30. …as Google product without being deceptive, as it's been developed by Google since 2006 [1]. [1] https://github.com/tesseract-ocr/tesseract#brief-history
    comment by netgusto · 2020-03-08 · in Using Pytesseract to Convert Images into a HTML Site
  31. …indexing documents for me including my OCRd scans. When that's not enough, I revert to pdfgrep. 0. https://github.com/tesseract-ocr/tesseract 1. https://www.lesbonscomptes.com/recoll/
    comment by tomatocracy · 2020-01-29 · in Building personal search infrastructure for your knowledge and code
  32. …get good results. For tesseract and pytesseract, there is a whole article on improving the quality: https://github.com/tesseract-ocr/tesseract/wiki/ImproveQuali... My guess is Apple trained on their own massive dataset and better…
    comment by mendeza · 2020-01-16 · in Show HN: Screenshot Hero - iPhone app to make all photos text searchable
  33. https://github.com/tesseract-ocr/tesseract/wiki/Data-Files#d... Seems so, lists at least Hindi, Urdu, Bengali, Sanskrit, Urdu, Nepali, Marathi, Sinhala and Punjabi!
    comment by severine · 2019-12-20 · in Tesseract.js: Pure JavaScript OCR for 100 Languages
  34. …format that gives you the text, with bounding boxes around paragraphs and individual characters. https://github.com/tesseract-ocr/tesseract/wiki/Command-Line... It's not quite what you want, but I think you could probably filter the output…
    comment by ncallaway · 2019-12-20 · in Tesseract.js: Pure JavaScript OCR for 100 Languages
  35. …took less than an hour, and for free I had OCR as powerful as Google's. Pretty cool I thought. [1] https://github.com/tesseract-ocr/tesseract
    comment by crazygringo · 2019-12-20 · in Tesseract.js: Pure JavaScript OCR for 100 Languages
  36. …or more openly I'm hoping on improvements to the tessaract pipeline: https://github.com/tesseract-ocr/tesseract/wiki/ImproveQuali... As for current digital solutions, sadly it's going to the big gorillas via market share like M
    comment by rasengan0 · 2019-09-22 · in The ReMarkable Tablet: A Review
  37. …as Tesseract is designed for printed text. Look for projects focused on handwriting recognition." https://github.com/tesseract-ocr/tesseract/wiki/FAQ#can-i-us...
    comment by ocrcustomserver · 2019-07-20 · in Examples to compare OCR services: Amazon vs. Google vs. Microsoft
  38. …repeated with different scaling options (or other preprocessing, depending on platform). [0]: https://github.com/tesseract-ocr/tesseract
    comment by steventhedev · 2019-07-18 · in Examples to compare OCR services: Amazon vs. Google vs. Microsoft
  39. Systemd and tesseract-ocr both use it for example: https://github.com/tesseract-ocr/tesseract https://github.com/systemd/systemd systemd have also written their own QL query: https://github.com/systemd/systemd/blob/master/.lgtm/cpp-que...…
    comment by samlanning · 2019-01-09 · in Coverity Scan Update
  40. I used Tesseract OCR ( https://github.com/tesseract-ocr/tesseract ). This is what it returned: https://gist.github.com/jwilk/4bd58278fe9a6b88af1010616afe2b... I manually corrected a few recognition errors, fixed the order of sections,…
    comment by jwilk · 2018-04-02 · in Fine Print: Unusual legal footnotes
  41. Hehe - well I was referring to the major os OCR lib. supposedly have LSTM-stuff in the next major rev https://github.com/tesseract-ocr/tesseract/blob/master/READM...
    comment by correlation · 2017-12-19 · in Image text recognition APIs showdown
  42. …characters. It was not there in 2015, so the post would probably need an update or a follow up. https://github.com/tesseract-ocr/tesseract/wiki/4.0-with-LST...
    comment by mdani · 2017-11-16 · in OCR and Medieval Manuscripts: Establishing a Baseline (2015)
  43. …of commits which didn't have many after the last release so I thought it hadn't been merged yet. https://github.com/tesseract-ocr/tesseract/graphs/commit-act...
    comment by ktta · 2017-11-10 · in Creating a Modern OCR Pipeline Using Computer Vision and Deep Learning
  44. …supports[1]. In fact I'd say most OCR systems support it with varying degrees of accuracy. [1]: https://github.com/tesseract-ocr/tesseract/wiki/FAQ#how-do-i...
    comment by milesokeefe · 2017-11-09 · in Creating a Modern OCR Pipeline Using Computer Vision and Deep Learning
  45. …if this is even a feasible idea. If so, it makes the paper key storage a lot more palatable. [1]: https://github.com/tesseract-ocr/tesseract
    comment by Karunamon · 2017-10-05 · in Strategies for offline PGP key storage
  46. If you plan on using tesseract definitely try out their 4.0 beta, which uses LSTMs. https://github.com/tesseract-ocr/tesseract/wiki/4.0-with-LST...
    comment by m_ke · 2017-07-11 · in Using Tesseract OCR with Python
  47. …identify the font the text is written in and prepare a custom trained dataset for it to use. See https://github.com/tesseract-ocr/tesseract/wiki/TrainingTess...
    comment by mintplant · 2017-05-29 · in Extracting Chinese Hard Subs from a Video, Part 1
  48. …https://photomath.net/en/ Best off-the-shelf OCR (originally developed by HP, now Google): https://github.com/tesseract-ocr/tesseract https://github.com/tesseract-ocr/tesseract/wiki Two Clojure talks... Machine Learning Live - Mike…
    comment by espeed · 2017-01-03 · in Ask HN: Does software exist to digitize scanned books and articles?
  49. https://github.com/tesseract-ocr/tesseract/blob/master/READM... "The latest stable version is 3.04.01, released in February 2016." Was version 4 ever released?
    comment by avmich · 2016-12-21 · in Ionic OCR demo
  50. …best on images which have a DPI of at least 300 dpi, so it may be beneficial to resize images." - https://github.com/tesseract-ocr/tesseract/wiki/ImproveQuali...
    comment by dunham · 2016-10-12 · in Show HN: Tesseract.js – Pure JavaScript OCR for 60 Languages