CastLoom Pro – Turn podcasts into a personal knowledge base
Hi HN, I’m Ethan, an indie developer. I listen to a lot of podcasts while coding or commuting, and I often want to save interesting insights from episodes. I tried tools like MacWhisper for transcription, but it only works on macOS and the workflow didn’t quite fit what I wanted. So I built CastLoom Pro. It’s a desktop app that lets you search, play, download, transcribe, translate, and archive podcasts in one place. The idea is to turn podcasts into something searchable and reusable instead of just passive listening. Some details: - Search podcasts from Apple Podcasts - Batch download…
In plain words
CastLoom Pro is a desktop application that lets users search, download, transcribe, and archive podcasts from Apple Podcasts in one searchable knowledge base. It features local transcription via Faster-Whisper, optional translation, and exports to Markdown, JSON, or note-taking apps like Notion and Obsidian. All processing happens locally, keeping audio and transcripts private. The tool is designed for people who want to extract and reference useful information from podcasts rather than passively listen. It runs on Windows and macOS.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hi HN, I’m Ethan, an indie developer. I listen to a lot of podcasts while coding or commuting, and I often want to save interesting insights from episodes. I tried tools like MacWhisper for transcription, but it only works on macOS and the workflow didn’t quite fit what I wanted. So I built CastLoom Pro. It’s a desktop app that lets you search, play, download, transcribe, translate, and archive podcasts in one place. The idea is to turn podcasts into something searchable and reusable instead of just passive listening. Some details: - Search podcasts from Apple Podcasts - Batch download episodes - Local transcription using Faster-Whisper - Optional translation with DeepL or OpenAI - Export to Markdown / SRT / TXT / JSON - Send transcripts to Notion or Obsidian Everything runs locally, so audio and transcripts stay on your machine. It currently supports Windows and macOS. I’d love to hear your feedback or suggestions.
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