UD5 Toolkit
Web Page Screenshot Tool - Online Capture Browser Tab
Take a screenshot of the current browser tab using Screen Capture API. Crop, annotate with text and arrows, and download as PNG. Local only.
Everyday Utilities
7+ toolsSound Level Meter – Online Measure Room Noise with Mic
Use your device microphone to measure approximate sound pressure level in dB. Not calibrated, for rough reference. Local only.
QR Code Scanner from Camera - Online Live Decode in Browser
Scan QR codes using your device camera. Decodes text, URLs, and Wi‑Fi credentials directly in the browser. No data sent to server.
Parcel Size & Shipping Fee Estimator - Online Box Dimension Tool
Calculate volumetric weight for couriers (UPS, FedEx, DHL). Compare actual vs dimensional weight. Estimate shipping class based on total girth and length.
Speed Distance Time Calculator - Online SDT Formula Tool
Enter any two variables (speed, distance, time) and get the third. Supports mph, km/h, m/s and multiple units. Practical for runners and drivers.
Paper Size Converter - Online A4, Letter, Legal Dimensions
See exact mm and inch dimensions of ISO A-series and US paper sizes. Visual comparison tool. Also calculates weight based on GSM and dimensions.
Nautical Mile & Knot Converter – Online Marine Units Tool
Convert between nautical miles, statute miles, kilometers, and knots to mph/kmh. Essential for navigation.