Developer, Web & SEO

Validate, format, minify and inspect JSON instantly.

Test regular expressions with live matches and groups.

Encode and decode Base64, URL and HTML entities.

Compute SHA-256/384/512 for text or files, plus CRC32 for text.

Convert between Unix time and human-readable dates.

Build and read 5-field cron schedules in plain English.

Turn a title into a clean URL path segment.

Encode or decode UTF-8 text as Base64 locally.

Escape URL components and decode percent-encoded text.

Generate random UUIDs with the browser crypto API.

Inspect token header and payload without verifying a signature.

Break a URL into host, path, query and fragment.

Add campaign tags to a URL without breaking its query string.

Preview titles and descriptions for search and social cards.

Create valid JSON-LD for a visible article or software application.

Sort and compare options from a small pasted CSV table.

Turn a short label/value list into a downloadable chart.

Find relevant Bytelyx tools to link from a draft.

Answer a short technology quiz and save a local streak.

Check Bytelyx tool links in pasted HTML or text against the live catalog.