Free Tools
Developer tools, in your browser
Lightweight utilities that run entirely in your browser. No accounts, no tracking, no server calls. Just open and use.
Color Palette Generator
Pick a base color and generate a harmonious 5-color palette with lighter, darker, complementary, and accent variations. Copy hex values with one click.
Try it →Meta Tag Generator
Enter your page details and get ready-to-paste HTML meta tags for SEO, Open Graph, and Twitter Cards. Preview how your page will appear in search results.
Try it →JSON-LD Validator
Paste your JSON-LD structured data and validate it instantly. Checks for valid JSON, required schema.org properties, and common mistakes.
Try it →