Canon Compliant — Tag Meaning
Promises that nothing in the fic contradicts the source material — events slot into gaps, expansions, or aftermath without breaking anything canon established. It's a precision tool for readers who want their fanfic to coexist peacefully with the original story, and authors wear it as a constraint badge: all of this could have happened.
What to Expect From "Canon Compliant" Fics
Stories engineered to fit inside canon's facts; the fun is watching an author thread new material through existing continuity without snagging.
How to find Canon Compliant fics on AO3
On AO3, click any tag to see every work that uses it, then refine with the "Filters" sidebar — combine it with your fandom or ship, set a rating, or exclude tags you don't want. See our AO3 filtering guide for the full walkthrough.
Browse "Canon Compliant" works on AO3Want the deep dive? Read our full trope guide: Canon Compliant →
Popular Fics Tagged "Canon Compliant"
Real examples from AO3's most-kudosed works:
And like the cycle of the year, we begin again
by katherynefromphilly
Question of the Day
by wilmonstan12345
absence of heat, excess of destiny
by theycallmesuperboy
beneath six layers of silk
by darkredloveknot (enheduane)
The Crown and the Crow
by Yuu_chi
Meet Me In Dreamland
by sinflower81
Related Tags
Missing Scene
Fills a specific gap in canon: what happened in the elevator between floors, during the off-screen carriage ride, in the three days the episode skipped. It's archaeology as fanfic — authors excavate moments the camera abandoned, and the best ones make you believe the scene was always there, just unfilmed.
Tag guide →
During Canon
Runs concurrent with the source material's events rather than before or after them, weaving new scenes through the existing timeline. It overlaps with missing-scene fic but covers longer parallel arcs too — an entire relationship developing in the gaps between canon episodes, invisible to the camera but consistent with everything it showed.
Tag guide →
Post-Canon
Sets the fic after the source material ends, answering fandom's eternal 'and then what?' Whether it's healing after the final battle, relationships canon teased but never delivered, or simply ordinary life resuming, post-canon is where fandom writes the epilogues it wanted — or repairs the ones it got.
Tag guide →
Not Canon Compliant
The cheerful disclaimer tag: this fic knows what canon says and has decided not to care. Less specific than canon divergence — there may be no single branch point, just selective disregard — it often appears after a new season or finale invalidates a work in progress, accompanied by author's notes with strong opinions.
Tag guide →
More Settings & Events Tags
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