JSON Formatter
Pretty-print or minify JSON with clear validation errors
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Convert data formats, encode strings, and transform units entirely in your browser. Free, private, and no sign-up. NeedAnyTool processes data entirely in your browser — nothing is uploaded to a server. Looking for JPG↔PNG or PDF conversion? Use Image Tools and PDF Tools — linked below.
by NeedAnyToolPretty-print or minify JSON with clear validation errors
Convert JSON arrays of objects into CSV
Turn CSV tables into JSON arrays
Convert between YAML and JSON in either direction
Pretty-print or minify XML with validation
Convert Markdown to HTML for previews and embeds
Percent-encode and decode URL strings safely
Escape and unescape HTML entities
Convert HEX, RGB, and HSL color values
Convert between epoch time and human dates
Convert between decimal, hex, binary, and octal
Length, weight, temperature, area, volume, and data size
Image and PDF conversion tools live in their own categories — we link them here instead of duplicating pages.
JPG, PNG, WebP, GIF, BMP — in Image Tools
Combine images into a PDF — in Image Tools
Export PDF pages as images — in PDF Tools
Create a PDF from plain text — in PDF Tools
Encode UTF-8 text as Base64 — in Text Tools
UPPER, lower, camelCase, and more — in Text Tools
Data never leaves your browser.
Results in milliseconds.
No server upload ever.