Tools

Quickly format, minify and validate JSON data with syntax highlighting and error detection.

Convert images to Base64 encoding or restore images from Base64, supporting drag-and-drop upload and multiple image formats.

Quickly convert between binary, octal, decimal, and hexadecimal, with real-time conversion and negative number support.

Quickly encode and decode Base64 strings, supporting Chinese, English, numbers and special characters.

Quickly encode and decode URLs, supporting Chinese and special characters, perfect for URL parameter handling.

Quickly convert between Unix timestamps and date/time, supporting both seconds and milliseconds.

Preview Markdown rendering in real-time, supporting common Markdown syntax for easy writing and debugging.

Quickly convert between different color formats (HEX, RGB, HSL) with color picker and multiple format outputs.

Test and debug regular expressions with real-time match results, supporting multiple flags and preset patterns.

Quickly generate UUIDs (Universally Unique Identifiers) in UUID v4 format with customizable format and batch generation.

Generate secure, random passwords with customizable length and character types, including password strength detection.

Compare two texts and highlight additions, deletions, and unchanged content with line-level comparison.

Count words, characters, lines, and analyze word frequency, supporting mixed Chinese and English text.

Quickly generate QR codes for text, URLs, WiFi info, and more, with customizable size and error correction levels.

Calculate multiple hash values for text, supporting MD5, SHA1, SHA256, SHA512, SHA3, and more algorithms.

Escape and unescape HTML, safely handle HTML special characters to prevent XSS attacks.

Convert CSV format data to JSON format with customizable delimiters and conversion options.

Generate random numbers within a specified range, supporting integers and floats, with batch generation and statistics.

Quickly convert between different units, supporting length, weight, temperature, area, volume and more unit types.

Remove duplicate lines or content from text, supporting multiple deduplication modes and option configurations.

Quickly convert text case formats, supporting uppercase, lowercase, capitalize, title case, sentence case, and toggle case.

Parse URL components, extract protocol, domain, path, parameters and more, with query parameter table display.

Sort text lines with multiple sorting methods including alphabetical, length, numeric, and more.

Reverse text content with multiple modes including character reverse, line order reverse, word reverse, and more.

Extract email addresses, URLs, phone numbers, numbers, IP addresses, hashtags and more from text.

Batch find and replace text content with support for regular expressions and multiple replacement options.

Pure frontend WeChat Moment screenshot generator, supports text, link sharing, single image, and 9-grid images. Customizable avatars, likes, and comments.