Regex Tester
Test and debug regular expressions with real-time match highlighting and flag support (g, i, m). Free online regex tester for JavaScript developers — no registration, works instantly in browser.
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JSON Formatter & Validator
Format, validate, and beautify JSON data online. Free JSON formatter with syntax highlighting, error detection, and minify option. Works instantly in your browser.
Base64 Encoder/Decoder
Encode and decode Base64 strings online. Free Base64 converter for text, data, and binary. Instant results in browser — no installations, no uploads, 100% secure.
Base64 Decoder
Decode Base64 encoded text back to original string instantly. Free online Base64 decoder for text and binary data. Browser-based — no uploads, no registration needed.
URL Encoder
Encode URLs and special characters for safe web use and API calls. Free online URL encoder for developers. Works instantly in browser — no uploads or registration needed.
URL Decoder
Decode URL encoded strings back to readable text instantly. Free online URL decoder for developers and testers. Browser-based — no uploads, no server, instant results.
Word Counter
Count words, characters, sentences, and paragraphs in your text. Free online word counter with reading time estimate. Perfect for essays, articles, and social media posts.