Help & guide
Everything Fit Passport does, and how to earn every badge.
The basics
What is Fit Passport?
One portable fit identity. You keep a profile (body info, preferred fit, clothes you own that fit well), then paste any product URL to get a size recommendation — with the reasons, not a black box.
How is my size decided?
A transparent scoring engine compares the product's size chart to your measurements and the clothes you already own, adjusted by your preferred fit. Every recommendation shows exactly what it's based on.
What does the passport show?
Your holder name, region, preferred fit, an optional portrait, your pinned badges, and a coarse body type (which you can hide). Precise measurements are never shared.
Privacy & sharing
Who can see my stuff?
Anyone with your account code can view your closet (read-only) and — only if you opt in — a coarse body type. Precise cm/kg measurements never leave your account.
How do I edit vs view?
Editing needs your password. Your account code alone can only view. That's the 'capability to read, credential to write' model.
The community directory
Strictly opt-in. Toggle 'Post yourself' in Community to be listed; unlist anytime.
Install the extension by hand
The extension is in the Chrome Web Store — add it there. If you can't use the store (a managed browser, or another Chromium browser such as Edge, Brave or Arc), download it and load it yourself: four steps, about a minute.
- 1
Download the file above and unzip it. Keep the folder somewhere it won’t be deleted — Chrome loads the extension from it.
- 2
In Chrome, go to
chrome://extensionsand turn on Developer mode (top right). - 3
Click Load unpacked and choose the folder you unzipped.
- 4
Open Fit Passport once in the same browser. That connects the extension to your passport — without it, the extension will ask you to connect first rather than check against an empty profile.
Chrome may mention a developer-mode extension — expected for an extension added this way.
Installed it this way before? Remove that copy in chrome://extensions and add Fit Passport from the store instead: the store version updates itself, and two copies would both show up.
Outfits & likes
Posting outfits
Compose a look from garment types + colors on the Outfits page, preview it on a body-typed mannequin, then post it to the community feed.
In-store only pieces
If a piece isn't sold online, tick 'in-store only' — the post shows an In-store tag so others know it's a local/thrift/tailor find.
Likes
Anyone can like an outfit once. Likes drive the top prestige badges.
Badges — how to earn each
Added at least 8 known-good garments.
A plain struck token — every archive begins with a first inventory.
20+ items organized across 4+ collections.
The Renaissance 'guardaroba' — the keeper of a well-ordered wardrobe.
45+ items spanning 10+ brands.
An imperial silk archive — breadth across houses and eras.
100+ items across 20+ brands, in 6+ collections.
A royal wardrobe office — scale that must be administered, not merely owned.
Recorded how 5+ purchases actually fit.
A Roman wax tablet — the honest ledger of what fit and what didn't.
Logged 25+ comfort refreshes over time.
The gnomon of a sundial — measurement kept true as the body changes.
Listed publicly with a substantiated closet (15+ items).
A cartographer's compass rose — putting your fit on the shared map.
60+ refreshes and 20+ recorded outcomes.
The surveyor's rod — truth accumulated by patient measurement.
Posted your first outfit.
A bone needle — the oldest tool of dress, 40,000 years old.
Posted 6 outfits to the community.
The tailor's shears — mark of a working atelier.
Posted 15 outfits and earned 150+ total likes.
The Jacquard loom — where pattern becomes craft at scale.
30 outfits and 500+ total likes.
A maison's head atelier — output sustained at the highest standard.
Answered 3 questions from the community.
A thimble — the humblest tool in the trade, and the one that protects the hand doing the work.
10 answers, and 8 of them voted helpful.
The tailor's tape — advice worth taking is advice that was measured first.
30 answers, 40 helpful votes, and 3 accepted as THE answer.
A medieval guild mark — the sign a workshop stamped on work it would stand behind.
80 answers, 150 helpful votes, and 12 accepted answers.
The Roman fibula — the clasp that held the whole garment together.
250+ likes on a single look.
A cut brilliant — one look the whole community admired.
Special honor — 1,500+ total likes across your looks.
Amethyst, once valued with diamond — worn by those who set the taste.
Special honor — mastered all four tracks (gold or above in each).
Imperial jade with agate veining — breadth, not just depth.
The pinnacle — 4,000+ total likes across your looks.
Obsidian, prized since antiquity — rare, dark, and exacting.
Pin up to 3 earned badges to your passport from the badge library.
The mark
One thread through the maze of fit.
Across brands, sizing becomes a labyrinth. Fit Passport keeps the thread: what you wore, how it felt, and what worked. The mark is a single thread folded into an FP — a personal signet that guides you back to your fit.
Watch it come togetherThe reference is Ariadne's thread. She gives Theseus a thread to unroll into the Labyrinth so he can find his way out — and the useful half of that story is not the monster, it is that she gives him the means to navigate without taking over. That is the product:
- 1The labyrinth
Sizes that disagree across brands and regions
- 2The thread
Everything you’ve worn and how it actually fit
- 3The way back out
A recommendation that shows its reasoning
Which is why it isn't a picture of a shirt, a hanger or a tape measure. It's the memory that travels through clothing.
Where it stops working
No claim is made on the myth — it's a lens for reading a modern mark, not a provenance. Drawn as one unbroken path so it survives being stamped small, though not infinitely small: below about 20 pixels the loop fills in, which is why the browser-tab icon is a simpler glyph rather than this one shrunk.