Safe JSON, URL, and Base64 Debugging
JSON, URLs, and Base64 strings are easy to copy into tools because they are plain text. That convenience can hide secrets. A safer workflow cleans the input before decoding, formatting, or sharing the result.
Reduce the sample before using a tool
Start with the smallest payload that still reproduces the problem. Replace real customer names, emails, tokens, IDs, and internal domains with fake but structurally similar values.
Decode URLs before scanning for secrets
Query strings can hide values behind percent encoding. Decode the URL, then check parameters such as token, code, state, redirect_uri, email, account, and session before sharing the link.
Remember that Base64 is not encryption
Base64 often looks opaque, but anyone can decode it. Treat Base64 strings as plain text, especially when they contain JWT segments, credentials, images, logs, or serialized configuration.
Format JSON after replacing sensitive values
Pretty-printing makes nested data easier to inspect. It also makes private fields easier to notice. Replace sensitive values first when possible, then format and compare the cleaned version.
Compare sanitized input and output
When you transform a value, compare the before and after versions. This helps catch accidental changes and confirms that placeholders remain consistent across the example.
Related tools
Use JSON Toolbox, URL Checker, and Base64 Tool for local browser checks.