Debugging Malformed JSON
Learn how to identify and fix common JSON syntax errors: trailing commas, unquoted keys, encoding issues, and more. Plus CLI alternatives with jq.
Developer Guides
In-depth explanations and best practices for the tools we offer. Each guide links directly to the matching tool.
Base64 Encoding Explained
What Base64 is, when to use it, and what it is not. Covers data URIs, padding, URL-safe variants, and why Base64 is not encryption.
URL Encoding: encodeURI vs encodeURIComponent
When to use each method, common pitfalls with query strings and special characters, and RFC 3986 basics.
Hashes vs Encryption: What Developers Need to Know
Why MD5 and SHA-1 are broken for security, when to use SHA-256, and why you should never hash passwords without a proper KDF.
UUID Best Practices: v4, v7, and When to Use Them
UUID versions explained, database indexing considerations, and when to prefer ULID or other alternatives.