Data & Format

Convert and beautify JSON, XML, YAML, CSV

Tools in this category

12

JSON Formatter Prettify or minify JSON with validation. JSON Viewer Browse JSON as a tree and locate errors. JSON ⇄ YAML Convert both ways between JSON and YAML. JSON ⇄ XML Convert both ways between JSON and XML. JSON to CSV Convert JSON arrays to downloadable CSV. XML Formatter Pretty-print and indent XML. YAML Viewer Validate YAML and convert to JSON. JSON Diff Field-by-field comparison of two JSON docs. Text Diff Line-by-line added and removed markers. SQL Prettify Auto-indent and align SQL keywords. Markdown to HTML Write Markdown and see it render live. List Processor Dedupe, sort, reverse and filter lines.

Browse all categories

Convert between text encodings and data formats

Hash & Crypto13

Hashing, key generation and encryption checks

Regex, cron, JWT, SQL and everyday dev helpers

IP, subnet, MAC and port calculations

Case, stats, dedupe and cleanup for text

QR codes, placeholders and image helpers

Percentages, temperature, dates and units

Hand-eye coordination and reaction speed

Sequence and working memory training

Sustained attention and rhythm control

Logic, pattern recognition and thinking games