Guide
How to format JSON safely before sharing logs or payloads
A practical guide to formatting JSON, checking syntax errors, and removing sensitive values before you paste payloads into tickets or chat.
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Practical guides that explain when and how to use each tool
Use these short guides to understand common developer tasks such as formatting JSON, checking JWT claims, and testing regular expressions.
Guide
JWT decoder basics: what header, payload, exp, and sub really mean
Use this guide to understand what a JWT decoder shows you, which claims are commonly checked in development, and why decoding is not the same as verification.
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Regex tester guide: how g, i, m, and s change your matches
A short regex guide that explains what the common flags do, when match groups help, and how to avoid patterns that look correct but still miss your target text.
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