D2JSP User Block & Highlight helps you control forum readability on forums.d2jsp.org by letting you block or highlight content from specific users. Features Block user content by type: Posts, Quotes, Topics. Highlight user content by type: Posts, Quotes, Topics. Add users by username, profile ID, or profile URL. Bulk-add entries (one per line). Per-user / per-profile rule toggles and per-preset styling. Scopes: apply rules to posts, quotes, or entire topics independently. Export and import your rules (JSON) for backup or transfer. Optional pop-out panel on the page. Search and filter rules in the popup. Persistent local storage - rules remain after browser restart. Privacy-first behavior All rules and presets are stored locally in the browser extension storage. No analytics, no tracking, and no data is sent to external servers. Scope Runs only on https://forums.d2jsp.org/*.