DevHelpers

Format, validate and explore JSON with tree view and schema validation.

Convert formatted JSON into compact, transport-ready strings.

Generate Lorem Ipsum placeholder text with optional HTML formatting.

Preview Markdown and download a styled HTML document or copy an HTML fragment.

Build a coordinated palette from your HEX color and copy CSS variables.

Generate one or more UUID v4 values instantly.

Encode or decode Base64 text with instant results.

Decode JWT tokens and inspect their header, payload, and signature.

Remove ordinary HTML comments while preserving text and preformatted whitespace.

Minify parsed CSS, inspect byte savings and download a stylesheet.

Parse and minify JavaScript with syntax errors, byte savings and file download.

Test regex with live matches & groups

Create JWTs with custom payloads

Convert YAML and JSON quickly