Useful guides and tutorials related to codecs and multimedia.

A plain-English explainer on Xtream Codes logins and how they differ from a plain M3U playlist link.

A short guide for anyone whose iPhone photos will not open on their PC, batch converting HEIC to JPG in the free XnConvert.

Fix the "EAC3 is not supported" error in MX Player by installing the custom codec that matches your app version - updated for MX Player 3.x.

For Windows users, the landscape can be particularly nuanced, with multiple options available to unlock HEVC playback capabilities.

The quick fix for movie files that play with no sound - how to decode AC3 (Dolby Digital) and DTS audio in AVI, MKV and OGM files using VLC, LAV Filters, or AC3 Filter.

Four ways to install HEVC Video Extensions when winget returns "No package found" - including the free Microsoft listing you cannot search for.

A plain-English guide to Helium Converter - how to convert audio between MP3, FLAC, WAV and other formats, with the best quality settings and the one mistake to avoid.

The entry point for every HEVC problem on Windows - the free extension, the VLC shortcut, and which of the specific fixes your symptom actually needs.

A plain-English look at whether high-resolution audio is worth it - what actually counts as hi-res, whether you can hear the difference, and how to test it free before you buy.

Why HEVC and HEIF extensions have no uninstall button, the one command that removes them, and how to stop them reinstalling after every Windows update.