Compare two text files side by side with real-time highlighting of additions, deletions, and modifications.

WorldTime column timezone viewer. See all your cities in a vertical time grid — home time on the left, every city adds a column.

Validate, format, and minify XML documents. Get detailed error messages with line numbers and syntax highlighting.

Validate, format, and explore JSON data. Interactive collapsible tree view with detailed error reporting and line numbers.

Browser-based hex editor. Upload any file to view offset, hex, and ASCII columns. Search hex or ASCII, highlight bytes.

Scientific calculator with history log, keyboard support, expression evaluation, and dark mode.

Notepad++ inspired browser editor. Syntax highlighting, multiple tabs, find & replace, line numbers, and file save/open.

Calculate EMI for home, car, and personal loans with multi-currency support, amortization schedule, and prepayment analysis.

Compare Total Cost of Ownership for EV, Petrol, Diesel, and CNG cars over any time horizon. Make smarter buying decisions.

Manage tasks across multiple lists with priorities, tags, status tracking, and due dates — all in the browser.

Set smart reminders with categories, repeat schedules, snooze, and optional browser push notifications.

A full-featured browser calendar with month, week, and day views. Create events with times, colors, and notes.

Plan your day hour by hour with time blocking, habit tracking, mood log, top goals, and evening reflection.

Create professional invoices, manage product catalogue, track stock, and print or save invoices — all in the browser.