All tools
Browser-first utilities organized for daily engineering and productivity work.
JSON Formatter
Format, validate, minify, and inspect JSON locally in your browser.
Prompt Polisher
Structure rough AI instructions into a clearer prompt with role, context, task, and constraints.
Base64 Converter
Encode and decode Base64 text without uploading the source content.
Word Counter
Count words, characters, sentences, paragraphs, and estimated reading time.
React Native Shadow
Generate cross-platform React Native shadow styles from visual controls.
URL Inspector
Parse URLs into protocol, host, port, path, query parameters, and hash fragments.
UUID Generator
Generate cryptographically strong UUID v4 values and copy them in bulk.
Compound Interest
Estimate future value, contributions, and growth with transparent finance math.
Timestamp Converter
Convert Unix timestamps and ISO dates with local and UTC output.