SmartTools

Free browser-based tools: compound interest, SIP and CAGR calculators, an internet speed test, a JSON formatter and validator, and a QR code generator, with guides in English and Chinese.

• Free AI Image to Video: Animate a Photo Online: Animate a still photo into a short AI video. Describe the motion in words, generate it online, and download the clip. Free image-to-video on SmartTools.
• Compound Interest, SIP & CAGR Calculator: Calculate compound interest, monthly SIP investments and CAGR in your browser, with charts, worked examples and a plain-language guide to the formulas.
• Internet Speed Test - Ping, Jitter, Download & Upload: Measure your ping, jitter, download and upload speed, and learn how to read the results and get an accurate measurement.
• Online JSON Formatter, Validator & Tree Viewer: Validate, format, minify and explore JSON as a tree, entirely in your browser. Includes fixes for the most common JSON syntax errors.
• Free QR Code Generator with Logo and Custom Colours: Create static QR codes for text and URLs with custom colours, shapes and logos, download them as PNG, and learn how to make codes that scan reliably.