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Online tools that support SQL and other multi-language databases, provide one-click formatting, compression and syntax highlighting, and local processing ensures data security.

Professional online code highlighting tool, multiple programming languages, provides theme change, real-time preview of code coloring effects, one-click generation of HTML format, and a must-have code display solution for developers.

Extreme Speed Binary Converter is a free online tool that supports real-time conversion of binary, octal, decimal, and hexadecimal. It is simple and accurate to operate, and is suitable for programmers, students and math enthusiasts. Experience efficient digital system conversion now!

Free online timestamp conversion tool, supports the conversion of Unix timestamps and readable dates, real-time display of milliseconds precision, automatically identifies device time zones, and provides GMT/UTC time zone adjustment.

Online real-time conversion of storage units, support Bit/Byte/KB/MB/GB/TB conversion, real-time calculation of data storage capacity, and provide unit conversion formula explanation

Generate code snippets into beautiful pictures with line numbers/shadows/rounded corners, support theme color matching, and export picture formats with one click

Supports MD5/SHA/AES encryption mode to generate key in real time

Capture the color values of any pixel on the screen in real time, support HEX/RGB/HSL/CMYK multi-format conversion, and automatically generate similar color schemes

Free online Unicode encoding conversion tool, supporting conversion between Chinese and Unicode, ASCII and Unicode, real-time two-way conversion, providing safe character escape processing and one-click copy functions

Free online UUID generation tool, using the browser's native Crypto API to generate version 4 UUIDs that comply with the RFC4122 standard, supports batch generation and instant copying functions to ensure data security

Free online regular expression testing tool that highlights matching results in real time, supports multiple matching modes, provides common regular templates and detailed instructions to help developers quickly verify regular expressions

Free online Base64 encoding and decoding tool, supports two-way real-time conversion, provides UTF-8 secure encoding processing, with copy function and input verification

Free online CSS compression and decompression tool, supports code formatting/beautification functions, quickly optimizes the size of style sheets, previews the compression effect in real time, and copies the processing results with one click

Free online HTML encoding and decoding tool that supports real-time escape of special characters, retains HTML entity encoding, and provides one-click copy function to help developers quickly handle security encoding issues of web content.

Free online HTML compression and decompression tool, supports code formatting/beautification functions, quickly optimizes web code structure, previews compression effects in real time, and copies processing results with one click

Free online HTML-to-JavaScript tool converts HTML code into JS string format in real time, automatically handles escape of special characters, supports one-click copy and error prompt functions, and improves front-end development efficiency.

Free online JavaScript obfuscation encryption tool, using professional obfuscation algorithms to protect source code, supporting multiple encryption option configurations, real-time preview of obfuscation effects, and providing code security protection solutions

Free online JavaScript compression and decompression tool, support code formatting/beautification functions, quickly optimize script volume, preview processing effects in real time, and copy compression results with one click

Free online JSON parsing tool, supports data formatting, compression and decompression, syntax verification functions, real-time error prompts, one-click copying of processing results, and improves development efficiency.

Free online Markdown editor supports real-time preview, syntax highlighting, local storage and HTML export, providing a smooth writing experience and professional document typography

Free online RGB and hexadecimal color code conversion tool, preview color effects in real time, support color selector to directly take color, and quickly obtain color value conversion results

Free online URL encoding and decoding tool, supports real-time two-way conversion, automatically handles special characters, and provides one-click copy function to meet developers 'needs for secure transmission of URL parameters.

Free online User-Agent parsing tool that parses browser type, operating system, device model and other information in real time. It supports mobile adaptation and provides detailed explanation of technical parameters and privacy protection statements.

Free online XML and JSON conversion tool supports two-way real-time conversion, syntax highlighting, automatic formatting, error prompts and result copying functions, helping developers quickly process data format conversion needs

Free online XML compression and decompression tool, support code formatting/beautification function, quickly optimize data volume, real-time error prompt, one-click copy processing results

将图片的SVG代码转换为Base64编码格式

Online tools that support multiple platforms and formats, and provide one-click adjustment of image size

Online image size adjustment, smart image compression, multi-format image adaptation, high-definition lossless zooming, local privacy security

The online image watermarking tool can add watermarks based on the text entered by the user and the position selected

Online graffiti tool supports multi-layer editing, boldly creates your imagination, free of charge and no advertising.

Intelligent image color extraction tool supports uploading in JPG/PNG/GIF format, displays HEX/RGB/HSL color values in real time, and provides web designers 'dedicated color strip export function

Generate rounded images with one click, preview effects in real time, and output transparent background files. Suitable for APP interface design and social media avatar production

Lossless compresses JPG/PNG/GIF images, reducing file size by up to 80%, and supports preview compression effect comparison

Instant conversion of images to Base64 encoding, supporting PNG/JPG/WEBP format

Generate placeholder pictures with size annotation, support custom colors/text/grid lines, and output SVG/PNG format

免费在线文字转图片生成工具，支持自定义文字颜色和背景颜色，实时生成可下载的PNG图片，最多支持9个文字排列组合，所有处理均在浏览器本地完成

免费在线图片格式转换工具，支持JPG/PNG/WEBP格式互转，本地处理保障隐私安全，无需上传服务器立即转换

Free online simplified and traditional Chinese conversion tool supports one-click conversion and accurately identifies variant characters. It is suitable for conversion of documents, web pages, and social media content. No need to download, just use and go!

A professional-level online tool for converting Chinese characters to pinyin intelligently recognizes 98% of polyphonic characters and supports digit/symbol tone labeling.

Highlight the difference between two paragraphs of text to generate a statistical report on the difference

Online measurement of the angle value of any picture/web page element, support 0.1° accuracy calibration, and provide coordinate system auxiliary line function

Powerful Random Password Generator is a free online tool that supports the generation of high-strength passwords containing upper and lower case letters, numbers and special symbols. The length and complexity can be customized to ensure account security. Generate and copy with one click, suitable for personal privacy protection and corporate data security!

Support the calculation of commercial loans, provident fund loans, and combined loans

Connect with the central bank's foreign exchange rate data and support real-time conversion of 160+ currencies

Update the latest oil price data of various provinces and cities in real time

Accurately calculate the difference between working days/natural days between two days, support global holiday exclusion, and automatically generate date addition and subtraction results

Password security random number, lottery number generation, statistical sampling tools

A smart calendar tool that integrates traditional lunar calendar and modern Gregorian calendar, providing accurate date query, holiday solar term reminders, yellow calendar etiquette guide and personalized schedule management functions

Create a QR code that can track scan data

Free online length unit converter supports real-time conversion of 20+ international units such as meters, centimeters, millimeters, kilometers, inches, feet, yards, miles, and nautical miles, and provides calculation results accurate to 6 decimal places.

Free online BMI calculator, accurately calculates body mass index, provides health status assessment and suggestions, supports switching between metric/imperial units, suitable for personal health management

Free online IP address query tool that displays IP geographical location, ISP operator, latitude and longitude coordinates and network type information in real time, and supports IPv4/IPv6 address detection

免费在线生肖属性计算器，输入任意年份快速查询对应的生肖属相，提供详细的生肖介绍和计算说明，帮助您轻松了解自己的属相信息

Intelligently merge multiple pictures into PDF documents, support adjustment of page direction, and output print-level quality

Free online PDF to picture tool, supports conversion of PDF documents to JPG/PNG format, fully processed by local browsers, ensuring file privacy and security without installing any software

Intelligently generate color schemes that comply with WCAG standards, support conversion between HEX/RGB/HSL formats, and preview webpage color matching effects in real time

Professional online CSS gradient generation tool, real-time preview of linear gradient effects, one-click generation of cross-browser compatible code, support multi-angle direction adjustment and instant color comparison, to meet web design needs

Free online HEX and CMYK color model conversion tool supports real-time conversion of hexadecimal color codes and four printing colors, providing accurate color preview and print simulation functions

Free online HEX and HSV color model conversion tool supports real-time conversion of hexadecimal color codes and hue saturation and lightness, providing accurate color preview and conversion algorithm descriptions

Free online HSV and CMYK color model conversion tool supports real-time conversion of hue saturation, lightness and printing four colors, providing accurate color preview and print simulation functions

Free online RGB and CMYK color model conversion tool, supports two-way real-time conversion, provides accurate color value calculation and print color preview, suitable for web designers and printing industry professionals

Free online RGB and HSV color model conversion tool, real-time two-way conversion color values, support color selector to pick color, and provide detailed conversion algorithm descriptions and developer documentation