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. Google's own list of languages its translation supports, including Kannada, Odia, Assamese and the other Indian languages. cloud.google.com Guide · How Founders Use AI Cloud Translation supported languages Google Cloud
  2. Sarvam's translation models: mayura:v1 for Bengali, Gujarati, Hindi, Kannada, Malayalam, Marathi, Odia, Punjabi, Tamil, Telugu... docs.sarvam.ai Guide · How Founders Use AI Translate text (Sarvam API) Sarvam AI
  3. DeepL's full language list, which now includes Hindi, Bengali, Tamil, Telugu, Marathi, Gujarati, Malayalam and Punjabi but not... support.deepl.com Guide · How Founders Use AI DeepL Translator languages DeepL
  4. DeepL's paid plans: Individual EUR 7.49 a month billed yearly with 300,000 characters and 3 file translations a month, Team EUR... deepl.com Tool · How Founders Use AI DeepL Pro plans DeepL
  5. Apple's guide to the free transcript in Voice Memos: iPhone 12 or later, with the list of supported languages, live while... support.apple.com Article · How Founders Use AI View a Voice Memos transcription on iPhone Apple Support
  6. How to record in Notes and get a searchable transcript you can copy into other documents. support.apple.com Article · How Founders Use AI Record and transcribe audio in Notes on iPhone Apple Support
  7. Google's free Android app that writes speech as text in real time in over 80 languages and dialects, with custom words for... play.google.com Tool · How Founders Use AI Live Transcribe and Sound Notifications Google
  8. Google's limits for uploads: audio up to 10 minutes per prompt on the free plan and up to 3 hours on Google AI Pro or Ultra,... support.google.com Article · How Founders Use AI Upload and analyze files in Gemini Apps Gemini Apps Help
  9. How Word's Transcribe turns uploaded audio (.wav, .mp4, .m4a, .mp3) into a transcript split by speaker, up to 300 minutes a... support.microsoft.com Article · How Founders Use AI Transcribe your recordings Microsoft Support
  10. OpenAI's open-source speech recognition model, which you install and run on your own machine, so a confidential recording never... github.com Tool · How Founders Use AI Whisper OpenAI (open source)
  11. Adobe's free browser editor for text boxes, comments, highlights, form fields and signatures; changing existing text needs... adobe.com Tool · How Founders Use AI Free online PDF editor Adobe
  12. An open-source PDF editor with 60+ tools that runs on your own machine or server, for people who do not want sensitive files on... stirling.com Tool · How Founders Use AI Stirling PDF Stirling
  13. Apple's steps for merging: show thumbnails, drag pages between documents or drag a whole PDF from Finder, and duplicate the... support.apple.com Article · How Founders Use AI Combine PDFs in Preview on Mac Apple Support
  14. How to insert, delete and reorder pages, and move pages from one PDF to another, which is also how you split a document. support.apple.com Article · How Founders Use AI Add, delete, or move PDF pages in Preview on Mac Apple Support
  15. A free, open-source desktop app that splits, merges, rotates, mixes and extracts pages on your own computer, with no watermarks... pdfsam.org Tool · How Founders Use AI PDFsam Basic PDFsam
  16. Adobe's free online merge tool; the page states files are handled on Adobe's servers and deleted unless you sign in to save them. adobe.com Tool · How Founders Use AI Merge PDFs for free Adobe
  17. Adobe's free online splitter for dividing one PDF into several files in the browser. adobe.com Tool · How Founders Use AI Split PDF files for free Adobe
  18. The free Basic plan covers the essential tools with limited processing; Premium is 500 INR billed monthly or 2,900 INR a year,... ilovepdf.com Tool · How Founders Use AI iLovePDF pricing iLovePDF
  19. Apple's free editor for iPhone and iPad, for joining clips, adding titles and music. apps.apple.com Tool · How Founders Use AI iMovie on the App Store Apple
  20. YouTube's library of royalty-free music and sound effects in YouTube Studio, the safe source of a soundtrack for a video you... support.google.com Article · How Founders Use AI Use music and sound effects from the Audio Library YouTube Help
  21. Anthropic's limits for files in chat: up to 20 files per chat, 500 MB a file, and PDFs up to 1,000 pages. support.claude.com Article · How Founders Use AI Upload files to Claude Anthropic
  22. How to turn off Improve the model for everyone, which is on by default for Free, Plus and Pro, so your uploads are not used for... help.openai.com Article · How Founders Use AI Data controls in ChatGPT OpenAI Help Center
  23. Photo Unblur on Pixel 4a and later (4 GB of RAM or more): open the photo, tap Edit, then Actions, then Unblur. support.google.com Article · How Founders Use AI Edit a photo or video on your Pixel phone Google Photos Help
  24. A free, open-source AI image upscaler for Linux, macOS and Windows that runs on your own computer. github.com Tool · How Founders Use AI Upscayl Upscayl (open source)

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The hubs