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Generate random hex strings of any length.
MD5, SHA-1, SHA-256 and SHA-512 hashes from any text.
Format, validate and minify JSON instantly.
Decode JWT header and payload with expiry checking.
Bulk generate v4 and v7 UUIDs with formatting options.
Test patterns live with match highlighting and groups.
Compare two texts with line and word-level differences.
Explain cron expressions and preview the next runs.
Convert Unix timestamps to dates and back.
Convert colors between HEX and RGB notations.
Paste SVG code and preview it live.
Upload an SVG file and extract its source.
Render SVG code and export as SVG or PNG.
Convert px to rem, em, %, vw, vh and pt.
Build tints, shades and harmonies from one base colour.
Check WCAG AA and AAA contrast with live preview.
Design linear, radial and conic gradients visually.
Layer CSS shadows with a live card preview.
Resize and compress images without uploading them.
Create every favicon size, an .ico and the head tags.
Encode and decode Base64 strings safely.
Switch between upper, lower, title and more.
Generate placeholder paragraphs, sentences or words.
Convert between JSON, YAML and CSV with auto-detection.
Escape and unescape HTML entities.
Write markdown and preview or copy the HTML.
Open a .sql file and browse its table data.
Live counts, reading time and top keywords.
Create strong random passwords on demand.
Percent-encode and decode URL components.
QR codes for links, text, Wi-Fi and contact cards.
Network, broadcast, host range and subnet splitting.
Show every DNS record for a domain with TTLs.
Registrar, expiry dates, status codes and nameservers.
Issuer, expiry, covered domains and a live HTTPS test.
See if a site runs WordPress, Shopify, Wix and more.
Download, upload, ping and jitter with a live speedometer.
Date gaps, working days and SLA due dates.
Add or remove VAT and run percentage sums.
Data, time, length, weight and temperature units.