75 tools live · 8 languages
Every tool you need,
in your browser.
Free browser-based utilities for developers, designers, and everyone else. Calculators, converters, generators — all running on your device.
Latest tools
FD calculator IN
Calculate the maturity value of a fixed deposit (FD) with any tenure and compounding frequency. See maturity amount and interest earned instantly.
Regex tester
Build and test JavaScript regular expressions with live match highlighting, capture groups, six flags, and built-in samples for email, URL, IPv4, phone, hex.
GST calculator IN
Calculate GST (5%, 12%, 18%, 28%) on any amount. Add GST to a base price or extract GST from an inclusive total. See CGST + SGST splits.
Multi-timer
Run multiple countdown timers simultaneously, each with its own label. Color-coded, independent controls. Perfect for cooking. Free.
JWT decoder
Inspect any JSON Web Token entirely in your browser. See header, payload, signature, and humanised claims. Tokens are never uploaded, logged, or saved.
Timestamp converter
Convert Unix timestamps to human dates and back. ISO 8601, UTC, local, and relative formats. Auto-detects seconds vs milliseconds. All formatting via Intl APIs.
Ready to explore?
Browse our complete collection of 75 free tools across 15 categories
View all tools →