SmartTools Hub

All-in-one platform for free calculators, converters & AI-powered generators. Boost your productivity, creativity, and planning — no sign-up needed.

Browse Tools

Explore Our Tools

Grouped by category for easy access

Calculators

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BAC Calculator

Estimate blood alcohol level.
Concrete Calculator

Volume estimation for projects.
Snow Day Calculator

Predict school closures.
Ohm’s Law Calculator

Compute voltage/current/resistance.

Generators

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Barcode Generator

Generate barcodes from text.
FAQ Schema Generator

Get FAQ schema markup generated for your website.
QR Code Generator

Generate QR codes from text.
Graffiti Generator

Create unique graffiti art from text.

Converters

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CSV to JSON converter

Convert CSV files to JSON format.
XML to JSON converter

Convert XML files to JSON format.
JSON to Base64 Converter

Convert JSON data to Base64 format.