JSON formatter
Turn messy JSON into something readable. Format, validate, or compress it right here in your browser.
Open toolA LITTLE TOOLBOX FOR THE WEB
Thoughtful tools for the things you do every day. Built for developers, made for everyone.
01 / THE TOOLBOX
A collection that starts small and grows with purpose.
Turn messy JSON into something readable. Format, validate, or compress it right here in your browser.
Open toolEncode and decode text using Base64, Base64URL, or URL component encoding.
Open toolConvert Unix timestamps and local dates across time zones.
Open toolWrite and preview Markdown, then print or save it as a PDF.
Open toolCompare two versions of text or code, line by line.
Open toolConvert flat JSON and CSV data while keeping text values intact.
Open toolInspect a token’s header and payload without claiming verification.
Open toolCompare text and background colors against WCAG contrast thresholds.
Open toolTest expressions and explore matches.
Capture quick demos and bug reports.
Prepare images for the web.
Understand schedules at a glance.
02 / READY TO USE
Paste JSON below to format, validate, or compress it locally.
Ready when you are.
Uses standard JSON parsing. Duplicate object keys may be overwritten and large numbers can lose precision.