15 free online tools. No signup, no install. Your files are auto-deleted within 1 hour.
Format, validate, and minify JSON. Catch syntax errors instantly.
Encode and decode Base64 text and files.
URL-encode and decode strings safely.
Minify HTML, CSS, and JavaScript to reduce file size.
Generate MD5, SHA-1, SHA-256, SHA-512 and CRC32 hashes.
Count tokens and compare cost across Claude, GPT, Gemini and 40+ AI models.
Detect CMS, framework, hosting, analytics, DNS + security for any website URL.
Generate fake identities for form testing — name, address, SSN, credit card, phone, DOB an...
Preview any website at iPhone, iPad, MacBook, Desktop and 4K viewport sizes side-by-side.
Pick colors and convert between HEX, RGB, HSL, and CMYK.
Test and debug regular expressions with live highlighting.
Generate gradients, shadows, borders, and other CSS visually.
Decode JSON Web Tokens to inspect header, payload, and signature.
Build and visualize cron schedules. See next run times.
Turn any long URL into a short toolspow.com/s/xxx link. Free, instant, no signup. Signed-i...