Small, fast tools for everyday coding tasks. Everything runs locally in your browser — nothing is uploaded.
More focused tools for planning, designing and working with structured text. Each opens in a new tab.
Encode and decode Base64 strings quickly. Parse JWT tokens.
Open toolBuild and validate CRON expressions for Unix and Quartz schedulers.
Open toolCreate favicons for your website quickly and easily.
Open toolBuild flexible forms visually with this tool.
Open toolConvert colors between different formats.
Open toolDial DTMF tones directly from your browser.
Open toolCompare files side by side to spot differences.
Open toolMinify HTML code for optimized performance.
Open toolView and render Markdown files.
Open toolFormat and view JSON data.
Open toolValidate JSON data.
Open toolDesign screens visually with NiceGUI.
Open toolA simple kanban board for task management.
Open toolView and render Markdown files.
Open toolFormat and view Python dictionaries.
Open toolFormat and beautify SQL queries.
Open toolValidate your YAML files easily.
Open tool