Tools Hub

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Unit Converter

Convert between metric, imperial, and engineering units with precision.

length mass pressure

Ω

Under Review

Ohm's Law Calculator

Calculate voltage, current, resistance, and power relationships.

electrical circuits

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Linear Thermal Expansion

Calculate material expansion and contraction due to temperature changes.

thermal materials

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ESP32 Pinouts

Reference diagrams for ESP32 development board pin configurations.

microcontroller reference

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Raspberry Pi Pinouts

GPIO reference diagrams for Raspberry Pi board configurations.

gpio reference

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Sensors Reference

Common sensors for temperature, pressure, flow, proximity, and more.

instrumentation measurement

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Color Picker & Converter

Pick colors and convert between HEX, RGB, HSL, and other formats.

hex rgb hsl

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Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal.

binary hex decimal

{ }

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JSON Formatter

Format, validate, and minify JSON data with syntax highlighting.

json format validate

.*

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Regex Tester

Test and debug regular expressions with live matching and explanation.

regex pattern

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AI Image Detector - FFT Noise Freq Analysis

Analyze images for AI-generation.

detection analysis

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Timestamp Converter

Convert between Unix timestamps, ISO dates, and human-readable formats.

unix iso datetime

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Crypto Lab

Encrypt and decrypt via AES/DES, or generate MD5/SHA hashes.

md5 sha crypto

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Word Count

Count words, characters, sentences, and paragraphs in your text.

words characters stats

Aa

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Case Conversion

Convert text between uppercase, lowercase, title case, and more.

uppercase lowercase title

</>

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Encoding / Decoding

Encode and decode Base64, URL, HTML entities, and other formats.

base64 url html

Under Review

Productivity Timer

Focus timer for deep work sessions with automatic breaks, completion tracking, and adjustable alarm + notifications.

productivity focus work-break

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HED Calculator

Translate preclinical animal doses to Human Equivalent Doses (HED) via BSA normalization.

biology pharmacology research

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Toxicology Body Burden

Estimate total systemic load from plasma concentration using volume of distribution models with optional kinetic back-calculation.

toxicology pharmacokinetics research

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Oral Multi-Dose Simulator

Simulate oral dosing regimens (single or repeated) with first-order absorption and elimination to visualize concentration-time profiles and key PK metrics.

pharmacokinetics dosing simulation