Extensions by OnlineGratis.net

Archive.org Flip Book to PDF Downloader

⚡ Productivity

Download OpenLibrary & Archive.org text and books to PDF

Heyzine Flipbook to PDF Downloader

⚡ Productivity

Download Heyzine flipbooks as PDF

Bulk WebPages & Links to PDF

⚡ Productivity

Scan and select links/pages and export them as individual PDFs or merge into a single PDF. Batch mode, lazy images, ad-link filter.

YouTube Karaoke Extension

🎬 Video & Media

YouTube karaoke overlay: search songs, manage singers, adjust pitch, build queues, handle ads, and use dual-screen mode.

Bulk Gmail to PDF Exporter

🧩 More extensions

Export single or multiple Gmail conversations to PDF