Free developer and text tools
Generate a UUID or password, format JSON, make a QR code, or look up DNS. Most tools run in your browser. No signup, no login, no wait.
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UUID Generator
Generate UUID v4 identifiers instantly in your browser. Create 1, 5, 10, 50, or 100 UUIDs and copy them. No signup.
Open tool →JSON Formatter
Format, minify, and validate JSON in your browser. Paste JSON, pretty-print with 2-space indent, or compress to one line. Free, no signup.
Open tool →Password Generator
Generate a strong random password in your browser. Choose length and character sets. Free password generator, nothing uploaded.
Open tool →QR Code Generator
Generate a QR code from a URL or text in your browser. Download a PNG. Free QR code maker, no signup.
Open tool →Character Counter
Count characters, characters without spaces, words, and lines as you type. Free character counter for bios, SMS, and SEO titles.
Open tool →Word Counter
Count words in real time as you type. Free word counter with characters, sentences, and reading time. No signup.
Open tool →Unix Timestamp Converter
Convert Unix time (epoch seconds or milliseconds) to local date, UTC, and ISO 8601. Free timestamp and epoch converter.
Open tool →DNS Lookup
Look up public DNS records (A, AAAA, CNAME, MX, TXT, NS, SOA, CAA) from your browser via Cloudflare DNS over HTTPS.
Open tool →Categories
Developer Tools
Free developer utilities: UUID generator, JSON tools, JWT decoder, regex tester, timestamps, DNS lookup, and redirect checks. Instant, in your browser where possible.
Explore developer tools →AaText Tools
Free text utilities: word counter, character counter, case converter, sort lines, remove duplicates, and a live diff checker.
Explore text tools →64Encoding Tools
Free Base64 encoder and decoder plus URL encode and decode and a QR code scanner. UTF-8 safe, instant, no signup.
Explore encoding tools →{ }Formatting Tools
Free JSON, HTML, XML, and SQL formatters plus CSS and JavaScript minifiers, a YAML validator, and a color picker.
Explore formatting tools →*Generator Tools
Free generators for UUID v4, passwords, QR codes, MD5, SHA-256, other hashes, random names, and placeholder text.
Explore generator tools →