Rendexer

3 posts

How We Solved the Missing Audio Bug in Social Video Downloads (DASH Remuxing, ISO-BMFF Box Headers, and Open-Web Archiving)

*Why modern video downloaders break on Threads and Bluesky, and how we engineered an in-browser TypeScript solution that respects creator privacy.* **Tags:** #webdev #javascript #typescript #opensourc

Oct 26, 20263 min read

Oct 24, 2026
Oct 24, 20262 min read
Reverse-Engineering Microblog Media: Why Threads Videos Lose Audio and Bluesky CIDs Hide Raw 4K Photos
If you’ve ever built a social media scraper or media pipeline recently, you probably noticed that the old way of grabbing video URLs—inspecting the DOM for an `og:video` tag or finding a single static
2 min read
Oct 12, 2026
Oct 12, 20261 min read
How AT Protocol (Bluesky) & ActivityPub (Mastodon) Handle HLS Video Streams in the Browser
When building media utilities for decentralized social networks like **Bluesky (AT Protocol)**, **Mastodon (ActivityPub)**, and **Threads**, handling video playback and offline archiving in the browse
1 min read

Latest articles

How We Solved the Missing Audio Bug in Social Video Downloads (DASH Remuxing, ISO-BMFF Box Headers, and Open-Web Archiving)

Reverse-Engineering Microblog Media: Why Threads Videos Lose Audio and Bluesky CIDs Hide Raw 4K Photos

How AT Protocol (Bluesky) & ActivityPub (Mastodon) Handle HLS Video Streams in the Browser