⏱️Timestamp
Convert Unix epoch timestamps to human-readable dates and dates back to epoch. Auto-detects seconds vs milliseconds. Runs in your browser.
{ }JSON
Beautify, validate and minify JSON in your browser. Pretty-print with indentation or compress to one line. Private, no upload.
🗂️CSV ⇄ JSON
Convert a CSV table to a JSON array of objects, or JSON back to CSV. Handles quoted fields. Runs entirely in your browser.
🧾YAML ⇄ JSON
Convert YAML to JSON or JSON to YAML in your browser. Supports maps, lists and scalars. Private, no upload.
🌀cURL Converter
Convert a cURL command into ready-to-run Python (requests), JavaScript (fetch) or Node.js code. Runs in your browser.
#️⃣Hash
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes of any text instantly in your browser. Private, no upload.
🆔UUID
Generate random UUID v4 and ULID identifiers in bulk with one-click copy. Cryptographically random, runs in your browser.
⏲️Cron
Translate a cron expression into plain English and preview the next scheduled run times. Free, runs in your browser.
🗄️SQL Formatter
Beautify and indent SQL queries with keywords on new lines for readability. Runs entirely in your browser.
📰Markdown
Convert Markdown to HTML — headings, bold, italic, links, lists and code. Free online Markdown converter.
🧼Strip HTML
Remove all HTML tags from text, leaving just the readable content. Free online HTML stripper.
💳Luhn Check
Check whether a number passes the Luhn checksum used by credit cards and IMEIs. Free online Luhn validator.
🧰JSON ⇄ TOML
Convert JSON to TOML or TOML to JSON in your browser. Handles nested tables and arrays of tables — ideal for Shopify app config, Cargo and pyproject.toml. Private, no upload.