Developer & Data

Inspect, format, validate, encode, and transform technical data.

Format, minify, validate, search, and inspect JSON with duplicate-key and parse-error details.

Write, format, inspect, and preview GitHub-style Markdown with file import, outline navigation, and downloads.

Encode or decode Unicode text and files with Standard or URL-safe Base64 and precise URL encoding modes.

Generate, format, inspect, and export UUIDv4 or time-based UUIDv7 batches.

Convert Unix seconds or milliseconds to labeled dates, time zones, and relative time—or convert dates back live.

Build, highlight, replace, and inspect JavaScript regex matches with numbered and named capture groups.

Convert CSV and JSON live with dialect detection, safe type inference, nested-object handling, and table previews.

Format, minify, inspect, compare, and download HTML documents or fragments with practical source controls.

Parse, normalize, inspect, and rebuild complete or relative URLs with ordered query editing and IDN details.

Format, inspect, or minify SQL with file import, dialect-aware layout controls, query summaries, and review warnings.

Build five-field cron schedules from presets or visual controls, explain them, and export upcoming runs.

Type a nameserver or DNS-record request, then inspect public records, TTLs, response codes, and DNSSEC status.