Online Utilities

Fast browser-friendly tools for developers, writers, and everyday file conversion tasks.

Popular Developer Tools

Developer ToolkitJSON/YAML, password/hash, HTTP codes, minifier, Markdown, API mock
SQL Practice and FormatterPractice SQL and format queries in one page
Decoder ToolsBase64, JWT decoder, and regex tester

API, Network and Data

REST ClientSend API requests and inspect responses
Network ToolsDNS, port, ping, and server checks

Time and Automation

Cron ParserRead and explain cron schedules
Epoch ConverterConvert Unix timestamps and dates

Text and Content

Text ToolsCase conversion, character count, Base64, HTML preview, line breaker, and C#/VB string builder

Files and Images

Image to PDF ConverterCreate PDF from images
Compress/Resize ImagesOptimize images for web and sharing

Specialized Tools

JSON Tree ViewerInspect deeply nested JSON when the full toolkit is not needed
Query BuilderBuild SQL insert/update scripts from spreadsheet data