Calculate exact battery backup runtime for your UPS. Plan for CCTV systems, servers, and appliances with precision using battery health and discharge curves.

This interactive PoE Budget Calculator helps you manage switch capacity for IP cameras, access points, and devices, featuring a visual gauge, per-port breakdown, and advanced safety controls.

Test if a TCP port is open, closed, or filtered. Enter any IP or domain to run a real-time remote TCP handshake verification tool instantly.

Default usernames, passwords and IP addresses for 80+ CCTV brands — DVR, NVR, IP Cameras and WiFi Cameras.

A Python-based alarm host for Hikvision DVRs and NVRs running on a Raspberry Pi

Easily generate RTSP stream URLs for your IP camera or NVR. Simply select your device brand and model, enter your credentials, and get ready-to-use URLs for VLC, Blue Iris, and more.

Create a scannable WiFi QR code instantly. Friends can scan with their phone camera to join your home, office, or event network without typing long passwords.

Create custom QR codes for any URL, WiFi network, text, or contact card instantly. Personalize colors, add a logo or emoji, and download high-res PNGs free.

Calculate Voltage, Current, Resistance, and Power instantly. Decode 4-band and 5-band resistor color codes in real time with an animated visual graphic.

Instantly validate your Amazon Creators API credentials across any regional endpoint. Run real-time checks on product accessibility and ASIN status live.

Look up any MAC address to find the device manufacturer using the official IEEE OUI registry with 57,786 registered vendors.

Paste a Facebook Page URL or username to find its real numeric Page ID, and validate that your access token actually works.

A morphing digital clock with a rainbow-cycling Matrix rain background on a 64×32 RGB LED panel driven by Raspberry Pi and Adafruit RGB Matrix HAT + RTC. Time syncs from NTP over WiFi, falls back to onboard PCF8523 RTC when offline, and free-runs off system clock in between — the display never stutters for a network check.

Enter your WiFi credentials, select security type and band — get ready-to-paste config code for ESP32, ESP8266, Raspberry Pi, Python, Node.js, Flutter, iOS, Android, Windows and Linux.

Select any country or timezone — get ready-to-paste code snippets for Arduino, ESP32, Raspberry Pi, Python, Node.js, PHP, Java, Swift, Flutter, Windows, Linux and macOS

Pick colors and instantly generate ready-to-paste palette codes for every major platform. Export flawless CSS, Swift, Android XML, Flutter, and Tailwind values.

Generate a ready-to-run systemd service installer for any Python bot or script on Raspberry Pi. Fill in your script path, username, and virtual environment — download a shell script that installs your service, enables it on boot, and shows all management commands. Auto-restarts on crash, captures all logs, runs inside your venv.

Single LED, series, parallel, or reverse mode. Snaps to real E12/E24/E96 standard resistor values — always rounding up, never down, to keep your LED safe.

Find out what your money is worth today using real CPI data from 1960 to 2026. Calculate future purchasing power and decade-wise erosion based on RBI/MOSPI metrics.

Calculate your max gold loan eligibility based on weight & purity. Compare SBI, Muthoot, and HDFC rates side by side with the latest April 2026 RBI LTV rules.

Calculate Indian CGST, SGST, IGST, and international VAT instantly. Easily add tax to an amount or extract it from the total with a complete itemized breakdown.

Check real-time spot gold prices (24K & 22K per gram, 10g, tola) and 999 silver rates in Indian Rupees (₹). Refreshed every 30 minutes via live market data.

Calculate monthly EMI for home, car or personal loans. Full amortization schedule, interest breakdown, prepayment savings, and target EMI reverse calculator.

Calculate real wealth with an advanced SIP & lumpsum calculator. Features Newton-Raphson XIRR, compounding step-ups, inflation adjusters, and India's ₹1.25L LTCG tax exemption.

Real-time NSE/BSE stock ticker on a 64×32 RGB LED matrix panel driven by Raspberry Pi and Adafruit RGB Matrix HAT. Displays LTP, % change, ₹ change, direction arrow and a live rain animation — refreshed from Yahoo Finance every 30 seconds with smart caching and rate-limit protection.

Compare real brokerage charges across Zerodha, Upstox, Angel One, and ICICI Direct side by side. Calculates STT, GST, transaction fees, and your true net P&L.

Check the exact contribution of each stock and sector in the NIFTY 50 index (v5.15 weights). Search, filter by sector, and sort weightages in real time.

Search 5000+ listed stocks. Get NSE symbol, BSE code, ISIN, Zerodha token, Upstox key, Angel One token — instantly, no signup needed.