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Outgoing and incoming Move both handled. Admins can turn migration off.

Outgoing moves via account migration and incoming Move activities are both supported.

Follows, blocks, mutes, domain blocks, bookmarks, lists and filters.

Import of follows, blocks, mutes and lists exists but is off by default; admins enable it per role.

Second factor is TOTP only; no WebAuthn code in 0.15.0.

WebAuthn security keys work as a second factor after TOTP is enabled.

OpenID Connect, configured with PF_OIDC_* environment variables.

OIDC, SAML, CAS and LDAP via environment configuration.

Profiles have fixed bio, website, pronouns and location fields only.

No header image; the API returns a placeholder.

Actors are always Person and the API reports bot as false.

Notes cannot be edited locally and incoming Note updates are skipped.

Formatting in posts from other servers is shown; local posts are plain text.

MFM accepts some Markdown syntax such as bold, code, quotes and links, but it is not full Markdown.

Admin can set any limit beyond 500 characters.

Limit is a hardcoded constant of 500.

Limit is a hardcoded constant (3000).

Only through the API and third-party apps; the web interface has no scheduler.

One scheduled note per user by default; admins can raise the limit per role.

Comments can only be turned off for a post, not limited to followers.

Off by default (admin setting). Works in posts, not in display names.

Pins show on the profile but are not published as a featured collection.

Old notes can be hidden or made followers-only automatically, but not deleted.

Local posts are always Note or Question; remote Articles are displayed.

The preview card endpoint always returns an empty result.

Instance config reports translation as disabled.

Admin must configure DeepL or LibreTranslate.

Needs an admin to set a DeepL API key.

GIFs are stored without re-encoding, so they keep animating.

GIFs are converted to looping MP4 (gifv).

Off by default; admins enable it in settings.

Off by default; converted to JPEG and needs libvips with HEIF support.

Converted to JPEG on upload.

Off by default; admins enable it. Converted to JPEG.

Converted to JPEG on upload.

Off by default; admins enable it in settings.

Not in the allowed media types list.

Not in the allowed media types list.

Default limit is 4 per post; admins can raise it.

Limit is 4 attachments per post.

Up to 16 files per note.

Focus is always reported as 0,0.

Metadata is stripped when images are re-encoded, which is on by default.

Images with EXIF get a re-encoded public copy without metadata; the original stays on the server.

Only with the optional HLS setting; otherwise the uploaded MP4 is served.

Server only generates video thumbnails.

No EmojiReact handling; Misskey style reactions arrive as plain favourites.

Channels exist but are local-only and do not federate.

Remote Events are shown as posts but cannot be created.

Called home visibility.

Instance mute hides a server for that person.

Signatures are only checked on inbox POSTs.

Incoming Flag reports are received; local reports are not forwarded.

Servers can be unlisted or have their media auto-marked sensitive.

Silenced instances.

Imports only Pixelfed's own JSON moderation backup, not CSV blocklists.

Curated registration mode.

Needs hCaptcha, Cloudflare Turnstile or a Cap server.

Uses hCaptcha, a third-party service.

Needs hCaptcha, reCAPTCHA, Turnstile or a self-hosted mCaptcha server.

Prohibited words reject notes and sensitive words force home visibility, for local and remote notes.

Post search is disabled; only accounts and hashtags are searched.

Needs Elasticsearch or OpenSearch; covers opted-in posts and posts you interacted with.

Note search is off by default and must be allowed per role; Meilisearch optional.

Opt-in directory shown on the landing page.

Per-user Atom and RSS feeds.

Only draft-cavage signatures are implemented.

Inbound since 4.5; outbound as a fallback since 4.7.

Signs and verifies draft-cavage signatures only.

Verifies incoming FEP-8b32 proofs; does not emit them.

NodeInfo lists ActivityPub as the only protocol.

Only ActivityPub server-to-server is supported.

Mastodon apps can sign in, but text-only posts and direct visibility are rejected.

Not in Misskey; Sharkey adds it as a fork feature.

Apps for iOS and Android.

Mobile app push needs the admin to set a push gateway API key.

Developer API documentation at developers.pixelfed.org.

PostgreSQL only.

PostgreSQL only.

Admins can add custom CSS.

Admins set default light and dark themes; users can install themes.