What's New
Release notes for HiDownload and HiSummary — new features and fixes in each version.
What's New in v13.4.1
Video Knowledge Hub — Browse saved Video Chat sessions in one place: title, summary, URL, local file, subtitles, and AI chat. Select a row to preview transcripts and conversations on the right.
Browse local media — In Video Chat, use Browse... next to the Video Link box to open a local audio/video file.
AI reply language — Settings now has a General tab. Choose System default language or any installed UI language for AI answers; API options stay under API settings.
What's New in v13.4.0
Video Chat (new) — Chat with videos using AI: paste a YouTube or TED Talk link, get a transcript and summary, then ask follow-up questions with timestamp jumps. Works with OpenAI-compatible APIs (server AI or your own Custom API key).
Chat with local downloads — Right-click a finished download and choose Chat with the video to analyze files already on your PC.
Smoother Video Chat — Safer switching while a preview is playing; the Chat title shows thinking… while the AI replies.
Smarter installer — Pick a fixed disk when choosing the install folder; the drive with the most free space is selected by default.
What's New in v13.3
fixed Radio-Canada,YouTube,Česká televize、ok.ru、Bing Videos and WP.pl / wideo.wp.pl,VK / vkvideo
What's New in v13.2
Adding a check for regional restrictions on YouTube videos.
Add a online webpage: https://www.hidownload.net/region-restriction-checker/youtube/en
fixed to download: Radio-Canada
fixed a bug of downloading youtube live stream
What's New in v13.1
Built-in player and media converter — download, preview, and convert in one Windows app.
Built-in Media Player
Preview finished downloads without leaving HiDownload. Check video and audio before you archive or convert them.
Media Converter
Convert files to MP4, MP3, MKV, AAC, WAV and other common formats with the built-in converter.
HiSummary v1.0.4 — TED Talk support
TED Talk support — Open any talk on ted.com, click Ask AI next to the title, and chat in a sidebar just like on YouTube.
Layout push — On TED pages the sidebar resizes the page instead of covering the talk.
Timestamp seek — Click timestamps in AI answers to jump the TED player to that moment.
Reload the unpacked extension after updating so Chrome picks up version 1.0.4.
HiSummary v1.0.0
First public ZIP for Chrome / Edge (Manifest V3, Load unpacked).
Add Ask AI next to the YouTube title, open a sidebar chat powered by HiDownload YouTube Chat, and use the same free daily quota / AI tokens as the website.