Browse by Category
Every tool organised by what it does. Pick a category to see the full toolkit — all free, all browser-based, no signup needed.
color
Use free color tools to check contrast, generate palettes, convert HEX, RGB and HSL values, pick colors, extract image colors, and prepare accessible design systems.
converter
Use free converter tools for JSON formatting, Base64 encoding, URL encoding, CSV to JSON, YAML to JSON, XML to JSON, Markdown to HTML, HTML to Markdown, timestamps, and number bases.
css
Use free online CSS tools to create gradients, shadows, clip paths, flexbox layouts, CSS grids, animations, patterns, glass effects, and optimized CSS code.
developer
Use free online developer tools for JSON formatting, JWT decoding, SQL formatting, HTTP status codes, webhooks, cron expressions, API debugging, and backend workflows.
generator
Use free generator tools for QR codes, UUIDs, secure passwords, hashes, random data, mock API responses, dummy text, barcodes, and safe test-data workflows.
image
Use free online image tools to compress, resize, crop, convert, remove backgrounds, optimize SVGs, create favicons, extract colors, and prepare website images.
Use free PDF tools to merge, split, convert images to PDF, export PDF pages as images, create PDFs from HTML, and prepare scanned-style documents.
security
Use free security tools to check password strength, generate secure passwords, create hashes, inspect JWTs, encode data, and prepare safer privacy workflows.
seo
Use free SEO tools to create meta tags, open graph tags, SEO-friendly slugs, sitemap checks, robots.txt files, and basic publishing assets for websites.
social
Use free social media tools to grab video thumbnails, create tweet images, generate social posts, prepare memes, estimate creator revenue, and improve social previews.
text
Use free online text tools for word count, readability checks, markdown preview, case conversion, text comparison, duplicate line removal, and content cleanup.