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