No. 0001FeaturedDEV
CURL to Code
Convert curl commands to JavaScript / Python / Java / Go request code
curlhttprequest
Developer Tools
Every Developer Tools tool in the register runs locally in your browser — no account, no upload, no install.
面向开发者的实用工具集合
No. 0002FeaturedDEV
Color Picker
Professional color picker, supports multiple color format conversions
colorpickerdesign
No. 0003FeaturedDEV
Regex Tester
Real-time regex testing and debugging, supports all common flags
regextestingdeveloper
No. 0004FeaturedDEV
UUID Generator
Quickly generate various UUID versions
uuidgeneratordeveloper
No. 0005FeaturedDEV
JWT Decoder
Decode and validate JSON Web Tokens
jwtdecoderjson
No. 0006FeaturedDEV
Hash Generator
Calculate MD5, SHA-1, SHA-256 and other hashes
hashmd5sha
No. 0007FeaturedDEV
CSS Minifier/Formatter
Minify and beautify CSS code
cssminifierbeautifier
No. 0008FeaturedDEV
Cron Expression Generator
Visualize and generate Cron expressions
cronschedulerexpression
No. 0009FeaturedDEV
URL Parser
Parse URL components
urlparserdeveloper
No. 0010FeaturedDEV
Color Contrast Checker
Check foreground/background color contrast
colorcontrastaccessibility
No. 0011DEV
JavaScript Formatter
Beautify JavaScript code and improve readability
javascriptformatterbeautifier
No. 0012DEV
HTML Formatter
Organize HTML structure and auto-indent
htmlformatterbeautifier
No. 0013DEV
SQL Formatter
Format SQL statements, improve readability
sqlformatterdatabase
No. 0014DEV
HTTP Status Code Lookup
Quickly lookup common HTTP status codes
httpstatusapi
No. 0015DEV
URL Query Builder
Batch generate URL query parameters and output full links
urlquerybuilder
No. 0016DEV
Gradient Generator
Generate CSS linear gradients with live preview
gradientcolorcss
No. 0017DEV
HTML Minifier
Quickly compress HTML code , reduce whitespace
htmlminifiercompress
No. 0018DEV
JavaScript Minifier
Compress JavaScript code and reduce whitespace
javascriptminifiercompress
No. 0019DEV
SQL Minifier
Compress SQL statements, remove extra whitespace
sqlminifierdatabase
No. 0020DEV
JSON Minifier
Compress JSON output, remove whitespace
jsonminifierdeveloper
No. 0021DEV
JSON Key Sorter
Sort JSON key names by alphabetical order
jsonsortdeveloper
No. 0022DEV
XML Formatter
Format XML structure , add indentation
xmlformatterdeveloper
No. 0023DEV
XML Minifier
Compress XML content , remove whitespace
xmlminifierdeveloper
No. 0024DEV
YAML Formatter
Format YAML structure , unify indentation
yamlformatterdeveloper
No. 0025DEV
YAML Minifier
Compress YAML content , remove blank lines
yamlminifierdeveloper
No. 0026DEV
JWT Generator
Generate JSON Web Token (supports HS256/384/512)
jwtgeneratorsecurity
No. 0027DEV
NanoID Generator
Generate secure short ID (NanoID)
nanoidgeneratordeveloper
No. 0028DEV
ULID Generator
Generate sortable ULIDs
ulidgeneratordeveloper
No. 0029DEV
Gitignore Generator
Generate .gitignore files for common projects
gitgitignoregenerator
No. 0030DEV
Robots.txt Generator
Generate Robots.txt file content
robotsseogenerator
No. 0031DEV
Sitemap Generator
Generate sitemap.xml from a list of URLs
sitemapseogenerator
No. 0032DEV
Meta Tags Generator
Quickly generate webpage SEO Meta tags
metaseogenerator
No. 0033DEV
IP Address Lookup
Quickly query IP address geolocation, ISP and other info
ipnetworkgeolocation
No. 0034DEV
Mermaid Diagram Editor
Online diagram editor based on Mermaid.js, supports architecture, flowchart, state, sequence, class diagrams
mermaiddiagramchart