Verifying 1.3M code tests monthly across 648K+ stores

Codes that actually work.

Other sites guess. We verify. Every code is tested by machines, confirmed by humans, and proven by real checkouts before you see it.

Popular: Harbor Freight Vistaprint Fashion Nova Quince Mercari Jiffy Lube

We don't list codes. We verify them.

Most coupon sites scrape codes and hope they work. 40–60% of codes on the public web are dead, restricted, or fake. We run a three-layer verification system that tests every code before you see it.

Automated Testing Active

Headless browsers simulate real checkouts across our merchant network every day.

Human Consensus Active

Tens of thousands of trained verifiers with trust scores and screenshot proof.

Fleet Signal Active

Live checkout data from extension users. Ground truth from real transactions.

Read the full methodology →

Verified codes. Every surface.

Active on 648K+ stores

Browser Extension

Activates at checkout. Tests codes in the background. You save without lifting a finger. No browsing history tracked.

See How It Works Available for Chrome, Firefox, Safari, and Edge.

SimplyCodes found 3 codes nike.com

SAVE20 98% -$24.00

FREESHIPNOW 91% Free Ship

STUDENT10 88% -$12.00

Apply Best Code

IOS & ANDROID

Mobile App

Verified codes on your phone. Deal alerts for stores you follow.

Download free →

AI INTEGRATION

Coming Soon

Ask AI Instead

Ask AI for codes in natural conversation. Verified results with proof, no searching required.

Every verdict comes with evidence.

We show the bones. Not just the answer.

Every code carries a Health Score — a freshness-adjusted confidence rating derived from automated tests, human consensus, and real checkout outcomes.

When we say a code works, that's a verdict backed by evidence. A Proof Packet with an evidence chain you can audit.

Read full methodology →

Codes that actually work.

We don't list codes. We verify them.

648,358+ stores. Every code verified.

Verified codes. Every surface.

Browser Extension

Mobile App

Ask AI Instead

Every verdict comes with evidence.

We show the bones. Not just the answer.

Data, not marketing.

SimplyCodes Merchant Index

Anatomy of a Verdict

All Research

Stop guessing. Start verifying.