AINewsnow

I built a tool that finds "invisible text" hidden in PDFs — white text, tiny fonts, and the invisible render mode

This story is from 2026-09-16. It is preserved in the archive; the latest stories are on the live feed.

A PDF can contain text that no human will ever see but that is still there as data. White text on white paper. Text at 0.4 pt. Text marked "do not draw". Text placed outside the page. All of it is within the PDF specification, and none of it shows up in Acrobat. Every program that extracts text mec…

Read the full story at DEV Community — AI ↗

Timeline · 1 report

  1. 2026-09-16 08:02 · DEV Community — AI
    I built a tool that finds "invisible text" hidden in PDFs — white text, tiny fonts, and the invisible render mode

More stories

  1. AI's role in building AI surging? Anthropic says Claude now leads 26% of its R&D — Mint AI
  2. Anthropic, OpenAI, SpaceXAI, Google sued over call to ‘pace’ AI development — Politico Technology
  3. Google Joins OpenAI, Anthropic, Meta in Disclosing AI Hacks — Bloomberg AI
  4. Introducing Kimi K3 on Amazon Bedrock — AWS Machine Learning Blog
  5. Optimizing agent system prompts with Amazon Bedrock AgentCore — AWS Machine Learning Blog
  6. Introducing Amazon SageMaker HyperPod Inference Gateway — AWS Machine Learning Blog
  7. Introducing Astra for Law — OpenAI News
  8. Novo Nordisk Will Use Anthropic’s Claude for Drug Research — Wall Street Journal Technology

Get the daily brief of stories like this at 6:30 every morning →