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Work · alternatives · 2026

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24 alternatives to PDFs that are readable by human eyes only

Hi, OP here. A friend was involved in a custody battle and was afraid his ex was going to leak all of his discovery documents on the internet and he asked if there was something I could do to make it harder for bots/crawlers to find sensitive information. Originally I was going to turn all of his docs to image based PDFs, but those get large fast and are easy to OCR. So I found a post musing about altering fonts/glyphs so that it looks like english, but the actual character being seen by the pdf reader is a non-english character. As such, when you try to OCR these files, it doesn't…

PDFs that are Readable by Human Eyes Only is a tool that obscures PDF text from optical character recognition and automated crawlers by replacing standard English characters with visually identical non-English glyphs.… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. PDFs that are readable by human eyes only launched in 2022; newer entries below may have overtaken it.

  1. 1

    Implement scanyourpdf.com in JavaScript. No backend servers needed.

    2022 · lookscanned.io · its alternatives →

  2. 2

    Make your PDFs look scanned and add wet signatures - 100% client-side, no server uploads. Your documents never leave your device. Free to use, upgrade to PRO for unlimited access.

    2020 · scanyourpdf.com · its alternatives →

  3. 3
    PDFify▲230

    Free macOS text recognition, PDF composition & compression

    2018 · pdfify.app · its alternatives →

  4. 4

    I made this because the online "make my PDF look scanned" tools want you to upload your file to their servers, which feels sketchy at best. Also, I wasn't happy with the output they produce, I wanted something that looks realistic.

    Jun 2026 · github.com · its alternatives →

  5. 5YC

    I just realized you can now open a PDF document in Firefox and select text directly from scanned images embedded in the document (so basically transparently reliable doing OCR). It is also surprisingly reliable, only sometimes mistaking a "oh" for a "zero" in a long string of numbers. I neither know when this was introduced nor who added this feature, but from the bottom of my heart: thank you, thank you, thank you, you have made my daily life a lot easier. I also haven't really explored the limits of the feature and under what conditions it starts failing, but: in my daily workflow so far,…

    2024 · its alternatives →

  6. 6

    I've developed a Python API service that uses GPT-4o for OCR on PDFs. It features parallel processing and batch handling for improved performance. Not only does it convert PDF to markdown, but it also describes the images within the PDF using captions like `[Image: This picture shows 4 people waving]`. In testing with NASA's Apollo 17 flight documents, it successfully converted complex, multi-oriented pages into well-structured Markdown. The project is open-source and available on GitHub. Feedback is welcome.

    2024 · github.com · its alternatives →

  7. 7CS
  8. 8
    Textify▲202

    macOS app to recognize text from your images/docs with OCR

    2020 · apps.apple.com · its alternatives →

  9. 9

    Easily perform OCR (Optical Character Recognition) on PDFs. `pdf2searchablepdf input.pdf` = voila! "input_searchable.pdf" is created & now has searchable text

    2022 · github.com · its alternatives →

  10. 10

    Convert Scanned PDFs to Selectable By OCR

    Jan 2026 · searchablepdf.org · its alternatives →

  11. 11

    Make PDF Searchable | Online PDF OCR Converter

    2025 · ocrforpdf.com · its alternatives →

  12. 12

    Fast and efficient text recognition from any image and PDF

    2019 · apps.microsoft.com · its alternatives →

  13. 13

    Turn scanned PDFs into searchable docs. No uploads.

    Jul 2026 · instantconvert.online · its alternatives →

  14. 14

    In modern document question answering (QA) systems, Optical Character Recognition (OCR) serves an important role by converting PDF pages into text that can be processed by Large Language Models (LLMs). The resulting text can provide contextual input that enables LLMs to perform question answering over document content. Traditional OCR systems typically use a two-stage process that first detects the layout of a PDF — dividing it into text, tables, and images — and then recognizes and converts these elements into plain text. With the rise of vision-language models (VLMs) (such as Qwen-VL and…

    Oct 2025 · github.com · its alternatives →

  15. 15

    Free online OCR. Convert images and PDFs to editable text, tables and LaTeX in 100+ languages, then chat with your document and get answers cited to the page. No signup to try.

    Jun 2026 · ocr.chat · its alternatives →

  16. 16AW

    Hey, I've made a pdf reader with ai assistance, you can quickly ask questions about the text and the images, and it will have context about all of your reading material so you can ask questions freely, try it now, I'm in open beta to find bug and get feedback. upcoming features: - Highlighting - Highlighting with Notes - Bibliography - Automatic Reference file opening - Improved UX and robustness currenlty alot of bugs so please let me know if you found any. feedback appreciated

    2025 · pdf-hub.com · its alternatives →

  17. 17

    MyFreeOcr – Best Online Ocr tool that allows you to convert your PDF, PNG, JPG images into text. Supporting multiple languages.

    2022 · myfreeocr.com · its alternatives →

  18. 18

    Hi HackerNews, Lately, I have seen an explosion in posts offering paid APIs/services to get unstructured data into LLMs (i.e. langchain extract, ragflow, unstructured, unstract, just to name a few) and I have been largely disappointed by them, either because they fail to implement multimodal support, fail to give good context for "really tricky" PDFs / Word docs / Powerpoints, or are just plain difficult to use. In light of all these posts I figured I'd share my solution that has been working smoothly for me and my clients. I put it up on GitHub for free so you can check it…

    2024 · github.com · its alternatives →

  19. 19

    With OCR (optical character recognition)

    2024 · chromewebstore.google.com · its alternatives →

  20. 20

    Makes pdf files readable on mobile

    2020 · github.com · its alternatives →

  21. 21
    PDFDIT▲17

    Edit your PDFs effortlessly with AI-powered text recognition

    2025 · pdfdit.com · its alternatives →

  22. 22

    FiPDF — Convert Images to PDF with OCR, No Upload Needed

    2025 · fipdf.netlify.app · its alternatives →

  23. 23

    Image To Text, Read Aloud Image, Images to PDF Converter

    2020 · play.google.com · its alternatives →

  24. 24

    Scans to editable docs with perfect layout & translation

    Jan 2026 · scanned.to · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →