JSON escaping rules
How to escape double quotes, backslashes, and newlines in JSON strings. Fix parse errors from unescaped characters in APIs and logs.
Developer guides
UUID Studio Blog
Tutorials on UUIDs, MongoDB, JSON, JWT, encoding, crypto, and API debugging. Every article links to free browser tools you can use immediately.
Latest articles
JWT cookies vs localStorage
HttpOnly cookies vs localStorage for JWTs: XSS risk, automatic request sending, session expiry, and storage limits.
JWT security checklist
Production JWT checklist: validate signature, check expiry, verify issuer and audience, use HTTPS, and secure storage.
UUID performance in databases
How UUID type, version, and storage format affect index size, insert speed, and query plans in PostgreSQL, MySQL, and MongoDB.
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