JSON, CSV & Data Tools
JSON, CSV, YAML, XML and TSV converters plus code generation — format wrangling without uploading a single byte to a server.
49 free tools in this collection.
Most-used in this category
JSON Formatter & Validator
Data
A json formatter built for speed: results appear as you type. Runs client-side so your input stays yours. Free, no account required.
Open toolCSV to JSON Converter
Data
Try this free csv to json: instant, browser-based, no dark patterns. Methodology documented, examples verified, privacy total.
Open toolJSON to CSV Converter
Data
Json to csv tool that works in seconds: enter your input, get results. Nothing uploads — all processing stays on your device. Free forever.
Open toolUnix Timestamp Converter
Data
Use this free epoch converter online with zero signup. Instant results, real worked examples, and total privacy — data never leaves your browser.
Open toolXML Formatter & Validator
Data
Xml formatter — free, instant and honest about its math. Real worked examples included. No signup, no uploads, works worldwide.
Open toolYAML-JSON Converter
Data
A yaml to json built for speed: results appear as you type. Runs client-side so your input stays yours. Free, no account required.
Open toolJSON Diff Checker
Data
Free online json diff with instant output and a documented methodology. Private by design — your data never leaves the browser tab.
Open toolJSON Minifier
Data
Json minifier online: free, unlimited, no signup. Accuracy notes and worked examples included. US-friendly and works everywhere.
Open tool