by utilnaut — free, private, no sign-up required
Convert text between camelCase, snake_case, PascalCase, kebab-case
Generate placeholder text by paragraphs, words, or sentences
Count words, characters, sentences, paragraphs and reading time
Compare two texts and highlight differences
Convert text to URL-friendly slugs
Remove or highlight duplicate lines from text
Sort lines alphabetically, reverse, or randomly
Escape and unescape JS, JSON, HTML, and SQL strings
Encode or decode text and files using Base64
Encode or decode URLs using encodeURIComponent
Encode and decode HTML entities like & < '
Decode JWT header and payload, check expiration
Convert text to hexadecimal and back
Convert characters to Unicode code points and escape sequences
Convert text to Morse code and back
Escape and unescape backslash sequences in strings
Format, minify, and validate JSON data
Convert between JSON and CSV formats
Convert between JSON and YAML formats
Format, minify, and validate XML data
View and parse CSV data as a table
Write Markdown and see a live rendered preview
Format and beautify SQL queries
Generate MD5, SHA-1, SHA-256, SHA-512 hashes
Generate HMAC with a custom secret key
Generate secure passwords with custom options
Generate UUID v1, v4, v5 or bulk generate
Generate sortable unique identifiers (ULID)
Hash and verify strings using Bcrypt
Generate random strings with custom charset
Convert colors between HEX, RGB, HSL, HSV, and OKLCH
Create linear and radial CSS gradients visually
Generate color palettes from a base color
Check WCAG AA/AAA color contrast ratios
Browse and copy Tailwind CSS color palette
Generate flexbox layouts visually
Generate CSS grid layouts visually
Create CSS box shadows with live preview
Generate CSS border-radius visually
Minify and compress CSS code
Convert between px and rem units with custom base font size
Generate QR codes for text, URLs, WiFi, vCard, and email
Scan and decode QR codes from images or camera
Generate barcodes: Code128, Code39, EAN-13, EAN-8, UPC-A, ITF-14
Scan and decode barcodes from images
Validate and convert ISBN-10 and ISBN-13 codes
Generate license keys in XXXX-XXXX-XXXX-XXXX format
Generate one-time passwords and TOTP secrets for authenticators
Create vCard contact files with QR code for easy sharing
Generate QR codes to share WiFi credentials instantly