musicbrainz.org: Release page: Inline recording names, comments, ISRC and AcoustID. Direct CAA add link if none. Highlight duplicates in releases and edits. Recording page: millisecond display, spot track length and title variations.

musicbrainz.org: Read, write, edit and delete key/values from your mb local storage (in About menu)

kepstin’s magicisrc. Paste a bunch of ISRC instead of one by one

musicbrainz.org: Merges selected or all recordings from release A to release B – List all RG recordings

musicbrainz.org: Adds/fixes links to entity (pending) edits (if any); optionally adds links to associated artist(s) (pending) edits

Get a quick copy of the tracklists in plain text (several formats) for quick re-use (in track parser, EAC, foobar2000 or mp3tag for instance)

musicbrainz.org: Adds some buttons to check all unvoted edits (Yes/No/Abs/None) at once in the edit search page. You can also collapse/expand (all) edits for clarity. A handy reset votes button is also available + Double click radio to vote single edit + range click with shift to vote a series of edits., Hidden (collapsed) edits will never be voted (even if range click or shift+click force vote). Fast approve with edit notes. Prevent leaving voting page with unsaved changes. Add hyperlinks after inline look…

choose your favourite MusicBrainz server (main or beta) and no link will ever send you to the other

musicbrainz.org: reveal deleted editors’ names and emphasizes your own name to standout in MB pages

musicbrainz.org: Spot recordings that are linked multiple times to the same work

musicbrainz.org power-ups: RELEASE_CLONER. copy/paste releases / DOUBLE_CLICK_SUBMIT / CONTROL_ENTER_SUBMIT / TRACKLIST_TOOLS. search→replace, track length parser, remove recording relationships, set selected works date / LAST_SEEN_EDIT. handy for subscribed entities / COOL_SEARCH_LINKS / COPY_TOC / ROW_HIGHLIGHTER / SPOT_CAA / SPOT_AC / RECORDING_LENGTH_COLUMN / RELEASE_EVENT_COLUMN / WARN_NEW_WINDOW / SERVER_SWITCH / TAG_TOOLS / USER_STATS / EASY_DATE. paste full dates in one go / STATIC_MENU / SLOW_DOWN_…