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Browse the tool catalog

Search and filter the online tool directory by task, format, and category, then open detailed pages with clear inputs, examples, and execution context.

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Images, Audio & Video486

Image, audio, and video processing, conversion, and optimization tools

Math, Date & Finance415

Calculators, numerics, date logic, statistics, and finance tools

Design & Color274

Color, layout, graphics, visual styling, and design helper tools

Conversion & Encoding158

Format, file, archive, unit, and encoding conversion tools

Text & Writing149

Writing, cleanup, formatting, extraction, and text analysis tools

Data & Tables144

Structured data cleanup, analysis, transformation, and table workflows

Audio Encoding and Format Conversion Tools

Image Format Conversion and Animated Export Tools

JSON Interchange and Format Translation Tools

Color Space Conversion Tools for Web and Print

Text Case, Encoding, and Normalization Conversion Tools

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Math & Numbers

Ohm's Law and Power Triangle Calculator

Solve for two unknowns among Voltage, Current, Resistance and Power from any two given values, with visual triangles and AC power-factor support

Math & Numbers

Molarity Dilution C1V1 Calculator

Solve C1V1=C2V2 dilutions, stock-to-working recipes, and simple serial dilution plans

Finance

Mortgage Amortization Calculator

Generate a full mortgage amortization table, compare extra-payment scenarios, and visualize total interest savings

Math & Numbers

Molecular Weight Calculator

Calculate molar mass, elemental composition, and mass percentages from a chemical formula

Math & Numbers

MPG to KM/L

Convert miles per gallon to kilometers per liter with configurable decimal precision

Math & Numbers

MPG to L/100km

Convert miles per gallon to liters per 100 kilometers with configurable decimal precision

Math & Numbers

Degrees to Arcminutes

Convert degrees to arcminutes with configurable decimal precision

Math & Numbers

Degrees to Arcseconds

Convert degrees to arcseconds with configurable decimal precision

Math & Numbers

Degrees to Gradians

Convert degrees to gradians with configurable decimal precision

Math & Numbers

Degrees to Radians

Convert degrees to radians with configurable decimal precision

Math & Numbers

Radians to Degrees

Convert radians to degrees with configurable decimal precision

Math & Numbers

Resistor Color Code Calculator

Decode and encode 4-band, 5-band, 6-band, and SMD resistor markings