Free apps, no signup

9 small tools that run right in your browser. Nothing to install, no account, and your data stays on your device. Like one but want it different? Remix it with AI or download the code.

• DesignCSS Box Shadow GeneratorStack shadow layers, adjust them with sliders, and copy the CSS or Tailwind class when the preview looks right.
• WritingCase ConverterPaste text, pick a case, and copy the result. Sixteen conversions from Title Case to snake_case, with live text stats.
• DeveloperCSV to JSON ConverterPaste text or open a file to convert CSV to JSON or JSON to CSV, with live output, a table preview, and a download button.
• BusinessFree Email Signature GeneratorBuild an HTML email signature with a live preview, then copy it into Gmail, Outlook or Apple Mail.
• BusinessFree Invoice GeneratorFill it in, print it or save as PDF. No account, no watermark, and your data stays on your device.
• FinanceSplit the Bill CalculatorAdd everyone, list what was ordered, tap who shared each item, and see what each person owes with tax and tip included.
• FinanceTip Calculator and Bill SplitterEnter the bill, pick a tip percent, split it between friends and see exactly what each person pays.
• DeveloperUnix Timestamp ConverterConvert Unix timestamps in seconds or milliseconds to local and UTC dates, convert dates back, and watch the current timestamp tick.
• DeveloperUUID GeneratorGenerate up to 1000 random version 4 UUIDs at once, choose the format, then copy them or download a text file.