musicbrainz.org: In some pages like edits, blog, forums, chatlogs, tickets, annotations, etc. it will prefix entity links with an icon, shorten and embelish all sorts of MB links (cdtoc, entities, tickets, bugs, edits, etc.).

Import audio files and collections into Musicbrainz. Also supports scanning bookmarks and search results for MusicBrainz relations.

Tries to detect artist names in artist and track fields and allows you to extract those. Found entries are added to the corresponding editor for fast adding.

Import releases from Free Music Archive

musicbrainz.org: Highlights releases, release-groups, etc. that you have in your collections (anyone’s collection can be loaded) everywhere

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_…

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/fixes links to entity (pending) edits (if any); optionally adds links to associated artist(s) (pending) edits

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

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.

Hidden links include fanpage, social network, etc. (NO duplicates) Generated autolinks (configurable) includes plain web search, auto last.fm, Discogs and lyrics searches, etc. Shows begin/end dates on URL and provides edit link. Expands Wikidata links to wikipedia articles.