Everything you need,
in one place.
Free tools for developers and everyday users. No sign-up needed.
Encoding
Base64 Encode/Decode
Encode or decode text to Base64. Supports UTF-8, Latin-1, Hex, Binary, UTF-16, and MIME.
URL Encoder/Decoder
Encode or decode URLs. Supports encodeURIComponent, encodeURI, double-encode, and RFC 3986.
HTML Entity Encoder/Decoder
Encode and decode HTML entities. Supports named, decimal, and hex formats.
Image to Base64
Convert image files to Base64 data URIs. Supports PNG, JPEG, GIF, WebP.
Security
Formatter
JSON Formatter
Format, validate, minify, and sort JSON keys. Shows character and key count.
XML Formatter
Format, validate, and minify XML documents. Highlights errors.
Markdown Preview
Render Markdown with live preview. Supports GFM tables, code blocks, and more.
SQL Formatter
Format and beautify SQL queries. Supports SELECT, INSERT, UPDATE, and more.
Generator
UUID Generator
Generate UUID v4 in bulk with uppercase, lowercase, or no-hyphen format.
Password Generator
Generate strong random passwords or memorable passphrases.
Lorem Ipsum Generator
Generate placeholder text by paragraphs, sentences, or words.
QR Code Generator
Create QR codes from text or URL
Developer
Regex Tester
Test regular expressions with live match highlighting, capture groups, and flag support.
Cron Expression Parser
Parse and explain cron expressions. Shows next 5 execution times.
String Escape / Unescape
Escape or unescape strings for JavaScript, JSON, HTML, SQL, and RegEx.
Chmod Calculator
Calculate Unix file permissions. Toggle bits or enter numeric/symbolic mode.
Converter
Timestamp Converter
Convert Unix timestamps to readable dates, or dates to timestamps.
Color Converter
Convert between HEX, RGB, HSL, HSV, CMYK, and RGBA color formats.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
CSV to JSON
Convert CSV to JSON or JSON to CSV. Supports custom delimiters.
Text
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