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16 tools. No login required. 100% client-side.
Generators
UUID Generator
Generate random UUID v4 in bulk. Useful for seeds, unique IDs and API testing.
Password Generator
Create strong passwords with letters, numbers and symbols. Configure length and character types.
QR Code Generator
Generate QR Codes from any text or URL. Copy or download the image directly from your browser.
JWT Generator
Generate signed JWT tokens with HS256/HS384/HS512. Edit header, payload and secret directly in the browser.
Code
JSON Formatter
Validate, format and minify JSON. Identifies syntax errors with line highlight.
JWT Decoder
Decode JWT header and payload. View claims, expiration and type without the secret key.
Base64 Encode/Decode
Encode and decode text in Base64. Ideal for authorization tokens and API payloads.
URL Encode/Decode
Encode and decode URL parameters (percent-encoding). Useful for query strings and URIs.
Regex Tester
Test regular expressions in real time. See highlighted matches and captured groups.
Hash Generator
Generate SHA-256, SHA-1 and SHA-512 hashes from any text. Useful for checksums and verification.
cURL → fetch / axios
Convert cURL commands to JavaScript (fetch or axios). No install, instant result.
Dates
Timestamp Converter
Convert Unix timestamps to readable dates and vice versa. Supports seconds and milliseconds.
Date Difference
Calculate the difference between two dates in days, hours, minutes and seconds.
Text
Character Counter
Count characters, words, lines and estimated reading time of any text.
Slug Converter
Convert text to URL-safe slug, camelCase, snake_case or PascalCase instantly.
Colors
Color Converter
Convert colors between HEX, RGB and HSL. Preview the color in real time as you type.