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Yellowdex

Label every address. Turn chaos into context.

Y Context for every crypto address

Label every address. Turn chaos into context.

Yellowdex keeps context tethered to every address—on explorers, wallets, dashboards, marketplaces, and forums. Save labels to collections and share them with your team.

Local-first labels; you control sharing.
Etherscan token transfers before Yellowdex labels are visible
Etherscan token transfers after Yellowdex labels are visible
Before
After

Drag to compare Etherscan before and after Yellowdex.

How it works

Dex-level context in three steps.

Keep your address intel close to the surface. Yellowdex rides along anywhere you see an address and lets you capture, organize, and reuse that knowledge instantly.

1

Spot an address

Yellowdex floats beside any address you see on explorers, wallets, dashboards, and marketplaces.

2

Label it in a tap

Assign an entity, add a label and color-coded tags. Your labels appear everywhere you browse.

3

Save to a collection

Organize labels into collections (like a contact list) and share them with teammates or the public.

What you get

Built for power labelers.

Structured, fast, and always on top of the page you are reading.

Works wherever you browse

Detects addresses automatically on any page you visit—no special integrations needed. If a site shows an address, Yellowdex will find it.

EtherscanTwitterDiscordDocs

Smart search with filters

Search with prefix syntax: a:0x123 for addresses, l:exchange for labels, e:uniswap for entities. Filter by current page or labeled status.

a: addressl: labele: entityFilters

Signal what matters

Create custom color-coded tags to mark addresses however you choose. Pre-built risk categories coming soon.

Custom tagsTeamDeFiOTC

Sync across devices

Connect your wallet to sync labels across browsers, or keep everything local—your choice. Backups and exports always available.

Wallet syncLocal-firstPrivacyExport

Latest release

Fresh from the Yellowdex extension.

Release notes are pulled from the Yellowdex extension repo whenever a new version ships.

View all release notes
v2.0.2-beta Jul 11, 2026

v2.0.2-beta

This beta makes sync feel instant: edits made on another device now show up here in a second or two, instead of waiting for the next sync check.

What Changed

  • Near-instant sync. When you add, edit, or remove a label on one device, your other signed-in devices now pick it up within about a second or two. Before this, changes could take up to five minutes to appear.
  • Live status in the popup. Hover over the sync status dot and it now shows whether you're connected to the live channel.

Fixes & Improvements

  • Sync keeps working normally even when the live connection drops — it quietly reconnects, and the regular check still runs in the background as a safety net.
  • Signing in or out reconnects the live channel right away, so you don't have to wait for updates to start flowing.

Notes

  • The live channel needs an up-to-date sync server. If you're on an older server, sync still works — it just falls back to the regular periodic check instead of instant updates.
  • You need to be signed in for sync to run at all.

Trust & safety

Built for teams who care about context.

Privacy-first by design. Keep sensitive intel local, and publish only what’s meant to be shared. Export your data, back it up, and keep your notes portable.

Local-first defaults

No surprise syncs—opt in to sharing.

Backups & exports

Export to JSON anytime.

Team-friendly

Share read-only links for collections.

No dark patterns

Clear controls, reversible choices.

FAQ

Answers at a glance.

Questions about the extension, sharing, and supported surfaces. Want more? Drop us a note when you request access.

Where do my labels live?

Labels are local-first. You choose what to sync, what to export, and what to share with others.

Which sites are supported?

Any site that surfaces addresses. We prioritize major explorers, wallets, dashboards, and marketplaces.

Can I collaborate with a team?

Yes. Create a shared collection, generate a read-only link, and keep a single source of truth for labels.

What about other browsers?

Chrome first. Firefox and Edge are on the roadmap—join the list to be notified.

Get Yellowdex

Install Yellowdex on Chrome.