Assetlinks.json Validator
Validate pasted assetlinks JSON entries and fingerprints.
Runs in your browser. Nothing is uploaded — your input is processed on this device and discarded when you close the tab.
Assetlinks.json Validator
How to use this tool
- Enter your values in the fields above.
- Press Generate to see the result.
- Use Load sample to try the worked example, Copy result to copy it, or Clear to start again.
Worked example
The sample has 1 entry with a handle-all-urls relation, package com.example.app and a 64-character uppercase hex fingerprint, so it looks valid.
What this tool does not do / Limits
This validates only the JSON you paste. It does not check a live site, a hosted file, or any account, and it cannot confirm a fingerprint belongs to an app.
Frequently asked questions
What fingerprint format is expected?
64 uppercase hexadecimal characters for each SHA-256 fingerprint.
Does it verify the app?
No. It checks format only, not ownership.
Related tools
JSON Studio
Format, validate, minify, query and compare JSON in your browser, with precise line-and-column errors.
LiveRegex Tester
Test patterns against sample text with match highlighting, capture groups and a safe one-second timeout.
LiveSecurity Header and DNS Checker
Check HSTS, CSP and other security headers, TLS details, and DNS/email authentication records (SPF, DKIM, DMARC).
Live