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Developer utilities
Quick explanations and browser tools for formatting data, comparing text, encoding strings, checking Markdown, and handling everyday snippets.
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Developer utilities
How to convert a Unix timestamp to a date
A plain-English guide to converting Unix (epoch) timestamps to readable dates, handling seconds vs milliseconds, and going back from a date to a timestamp.
Developer utilities
What is a diff checker and when should you use one?
Learn what a diff checker does, how to compare two blocks of text online, how to read additions and deletions, and when a diff beats manual review.
Developer utilities
Is it safe to paste JSON into an online formatter?
Learn when it is safe to use an online JSON formatter, what data you should avoid pasting, and a simple privacy checklist.
Developer utilities
What is a JSON formatter and when should you use one?
Learn what a JSON formatter does, why formatted JSON is easier to read, and when to use one while debugging APIs or config files.