Guides
Each one answers a single question, and says where the approach stops working.
find company contact detailsFind company contact details from a domain nameHow to get an email, phone number and social profile for a company from its domain alone — what is findable, what is not, and why many sites return nothing.role emails websiteRole emails vs personal: why lead lists need both splitWhy info@ and jane.smith@ are different kinds of data, how to tell them apart from a domain, and how to filter the placeholder addresses real companies publish.youtube shorts transcriptYouTube Shorts transcripts: the format most tools skipHow to get captions from YouTube Shorts in bulk, why most transcript tools return nothing for them, and what Shorts text is actually good for.conference talk transcriptsConference talk transcripts: read a whole trackHow to turn a conference playlist into searchable text, find the talks worth watching, and cite quotes with timestamps that link to the moment.course transcriptsCourse transcripts: turn a video course into notesHow to get the transcript of every lesson in a video course, build revision notes you can search, and use an LLM to summarise without inventing content.lecture transcriptsLecture transcripts: archive a university channelHow to extract transcripts for every lecture on a university channel, organise them per video, use them for accessibility, and build a research corpus.youtube transcript api not workingYouTube transcript API not working: how to diagnose itWorks locally, fails in production? Empty response bodies? A symptom-by-symptom diagnosis of YouTube transcript API failures and what each one means.