Free Online Tools
Fast, free, no sign-up. JSON formatter, Base64 encoder, UUID generator, and more.
All Tools
JSON Formatter
textFormat, validate, and beautify JSON data with syntax highlighting
Base64 Encoder/Decoder
encodingEncode text to Base64 or decode Base64 back to plain text
UUID Generator
devGenerate random UUIDs (v4) instantly with one click
URL Encoder/Decoder
encodingEncode special characters in URLs or decode URL-encoded strings back to plain text
Word Counter
textCount words, characters, sentences, paragraphs, and estimate reading time
Hash Generator
devGenerate SHA-1, SHA-256, and SHA-512 cryptographic hashes from any text
Color Picker
devPick a color and get HEX, RGB, and HSL values. Convert between color formats
Lorem Ipsum Generator
textGenerate lorem ipsum placeholder text paragraphs instantly
Markdown to HTML
textConvert Markdown to HTML with support for headers, bold, italic, links, and lists
Timestamp Converter
devConvert Unix timestamps to human-readable dates or dates to Unix timestamps
CSV to JSON
textPaste CSV data and instantly convert it to a formatted JSON array
QR Code Generator
devGenerate QR codes from any text or URL. Download as PNG for free
HTML Entity Encoder/Decoder
encodingEncode special characters to HTML entities or decode HTML entities back to text