Tools
Cooling signalUnknownHigh-risk permissions
Green Checkmark C2PA Verifier icon

Green Checkmark C2PA Verifier

Accesses photos and videos only to verify Green Checkmark digital signatures.

Users4Current public install base
Rating--Store average score
Reviews0Public review volume
Manifest versionV3Extension platform version
7-day growth-1Net users gained this week
7-day growth rate-20%Relative weekly velocity
Preview

Green Checkmark C2PA Verifier Media preview

1 assets
Trend

30-day user trend

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User Growth Over Time

445552026年6月13日2026年6月16日2026年6月19日Latest: 4
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Growth overview

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1-day growthFlat
00%
7-day growthDeclining
-1-20%
30-day growthDeclining
-5-55.6%
Technical snapshot

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Version1.3
ManifestV3
Size6.82MiB
Languages1English
Published
Store updated
Last crawled
English
Overview

Product summary

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This tool verifies the C2PA signature embedded in photos and videos created by the GreenCheckmark app. It shows users an "Invalid Signature" warning if the photo may have been modified since it was recording. A "Valid Signature" will be shown if the certificate chain is valid.

https://green-checkmark.org

Reviews

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5★
0
4★
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