Apps & Tools

Explore free apps and tools. Further details are provided on the terms & conditions and privacy pages. All apps and tools are free, are intended for educational purposes only, and come with ABSOLUTELY NO WARRANTY.
For feedback, errors, or suggestions, please use the contact page.

⚙️ General

Font

Test different fonts.

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QR Maker

Generate QR codes for text, numbers, URLs etc.

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🔬 Science

Satellite Imagery

Get NASA satellite imagery.

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Dictionary

Look up English word definitions, pronunciations, and origins using Merriam-Webster’s API.

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School Dictionary

Look up English word definitions, pronunciations, and examples for grades 9–11 using Merriam-Webster’s School Dictionary API.

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💻 Technology

IP Information

Find details of a public IP address.

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Network Tools

Utilities for IPs, subnets, and lookups.

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🛠️ Engineering

iFixit

iFixit guides and tutorials—fix anything. Select and search thousands of guides.

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Fluid Flow Estimator

Quickly estimate flow rates and Reynolds numbers.

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SQL SELECT Builder

Build MySQL SELECT queries visually.

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📊 Mathematics

Unit Converter

Convert common units instantly.

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Graph

Make a quick graph in seconds.

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Compound Interest

Calculate investment growth with different compounding frequencies.

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