Tools

Small, fast tools that do one thing: convert a file, check a page, measure a connection. Free, no sign-in, and the converters never upload anything.

• Internet Speed Test Download, upload and latency, measured in the browser.
• Website Checker Speed, security headers and SEO tags for any page.
• File Converter CSV, JSON, text and Base64. Nothing is uploaded.
• Image Converter PNG, JPEG and WebP, resized. Nothing is uploaded.
• Scientific Calculator Trigonometry, logarithms, powers and memory.
• Name Generator Given names and their meanings, by tradition.

Looking for something else? Preparation Corner — Aptitude, puzzles and interview questions - practice for the kind of test you sit before anybody looks at your code.