Explore · The library

Every resource founders actually use, in one library.

The essays, videos, podcasts, books and tools behind every answer across eChai's hubs, from starting up to go-to-market, D2C, founder money and AI, each with a note on why it is here.

What founders use most, ranked by how many answers lean on it.

  1. Clipchamp's free tools for improving video by adjusting brightness and contrast and applying filters. clipchamp.com Tool · How Founders Use AI Online video enhancer Microsoft Clipchamp
  2. A free machine-learning video super-resolution and frame interpolation framework you run on your own computer. github.com Tool · How Founders Use AI Video2X Video2X (open source)
  3. YouTube's own export settings: H.264, variable bitrate, and the same frame rate the video was recorded in. support.google.com Article · How Founders Use AI YouTube recommended upload encoding settings YouTube Help
  4. Apple's Clean Up tool for removing distracting objects, on an Apple Intelligence iPhone (15 Pro and later), with the regions... support.apple.com Article · How Founders Use AI Clean up, extend, and reframe photos on iPhone Apple Support
  5. The US law that makes removing or altering copyright management information, such as a credit or watermark, unlawful when done... law.cornell.edu Article · How Founders Use AI 17 U.S. Code 1202: Integrity of copyright management information Legal Information Institute, Cornell Law School
  6. Adobe's free AI filter for cleaning up spoken audio with a free account; Premium allows up to 4 hours a day and files up to 1 GB. podcast.adobe.com Tool · How Founders Use AI Enhance Speech from Adobe Adobe Podcast
  7. Clipchamp's tools for removing background noise and cutting silences inside a video project, part of the free editor. clipchamp.com Tool · How Founders Use AI AI audio enhancer Microsoft Clipchamp
  8. Audacity's two-step method (get a noise profile, then apply) and its limit: good for hum, hiss and fan noise, not for traffic... manual.audacityteam.org Article · How Founders Use AI Noise Reduction Audacity Manual
  9. OpenAI's own detector, withdrawn on 20 July 2023 for low accuracy: 26% of AI text caught, 9% of human text wrongly flagged. openai.com Article · How Founders Use AI New AI classifier for indicating AI-written text OpenAI
  10. Seven detectors flagged 61.22% of TOEFL essays by non-native writers as AI-generated while judging US students' essays almost... hai.stanford.edu Article · How Founders Use AI AI-detectors biased against non-native English writers Stanford HAI
  11. The paper behind the Stanford finding, with the data on how detectors penalise plainer writing. arxiv.org Article · How Founders Use AI GPT detectors are biased against non-native English writers Liang et al. (Stanford)
  12. A test of fourteen detectors concluding they are neither accurate nor reliable: all below 80% accuracy, only five above 70%,... link.springer.com Article · How Founders Use AI Testing of detection tools for AI-generated text Weber-Wulff et al., International Journal for Educational Integrity
  13. Turnitin's own figures: under 1% false positives for documents with 20% or more AI writing, about 4% at the sentence level. turnitin.com Article · How Founders Use AI Understanding the false positive rate for sentences of our AI writing detection capability Turnitin
  14. Apple's steps to copy, translate or look up text the iPhone camera sees. support.apple.com Article · How Founders Use AI Use Live Text with your iPhone camera Apple Support
  15. How to copy, translate or look up text in an image opened in Preview. support.apple.com Article · How Founders Use AI Interact with text in a photo using Live Text in Preview on Mac Apple Support
  16. Google's visual search, including copying or translating text from a photo or screenshot. search.google Tool · How Founders Use AI Google Lens Google
  17. Microsoft's free utility for copying text from anywhere on a Windows screen, including inside images and videos, with a... learn.microsoft.com Tool · How Founders Use AI PowerToys Text Extractor Microsoft Learn
  18. Adobe's free online OCR that turns a scanned PDF into a searchable one; you sign in to download. Your file is handled on... adobe.com Tool · How Founders Use AI Free OCR for PDF Adobe
  19. A free, open-source command-line tool that adds a searchable text layer to scanned PDFs on your own computer. ocrmypdf.readthedocs.io Tool · How Founders Use AI OCRmyPDF OCRmyPDF (open source)
  20. Apple's steps to set a password to open a PDF and an owner password for printing or copying, and File > Edit Permissions to... support.apple.com Article · How Founders Use AI Password-protect a PDF in Preview on Mac Apple Support
  21. Adobe's free online tool that adds a password to a PDF. Your file is handled on Adobe's servers and deleted unless you sign in... adobe.com Tool · How Founders Use AI Password protect a PDF Adobe
  22. iLovePDF's free tool for encrypting a PDF with a password in the browser. ilovepdf.com Tool · How Founders Use AI Protect PDF iLovePDF
  23. Removes PDF password security from a file you are entitled to use. ilovepdf.com Tool · How Founders Use AI Unlock PDF iLovePDF
  24. Grammarly's free paraphraser, usable without signing up, for rewording a sentence or short passage. grammarly.com Tool · How Founders Use AI Free paraphrasing tool Grammarly

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The hubs

Starting Up Find an idea, validate it, build, and land your first customers. 1327 questions GTM Go-to-market, from breaking in to how the best teams do it. 379 questions D2C Building a direct-to-consumer brand, India-first. 512 questions Wealth Paying yourself, ESOPs, secondaries, and de-risking founder wealth. 165 questions How Founders Use AI How founders actually put AI to work, mapped topic by topic. 360 questions Glossary Plain-language definitions of the startup and VC terms you'll hit. 425 terms