Free Online Tools - Page 3

JSON Validator

Validate JSON online for free. Check JSON syntax and find parse errors directly in your browser without uploading data.

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JWT Decoder

Decode JWT tokens online for free. Inspect JWT header and payload JSON directly in your browser without verifying or uploading the token.

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kW to Amps Calculator

Convert kilowatts to amps online for free. Enter kW and voltage to calculate electrical current instantly.

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LED Resistor Calculator for LED Circuits

Use this free LED resistor calculator online to find the correct resistor value and power rating for your LED circuit and avoid burnout.

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Loan Calculator

Calculate loan payments online for free. Enter loan amount, annual interest rate, and term to estimate monthly payment, total repayment, and total interest instantly.

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Ohm’s Law Calculator with Unit Conversion

Calculate voltage, current, resistance, and power with this free Ohm’s law calculator online. Enter any two values and solve the rest instantly.

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Percentage Calculator

Calculate percentages online for free. Find percent of a number, reverse percentages, and percentage change quickly in your browser.

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PNG to JPG Converter

Convert PNG to JPG online for free. Upload a PNG image, choose a background color for transparency, and download the converted JPG instantly.

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PNG to WebP Converter

Convert PNG to WebP online for free. Keep transparency or add a background color, reduce image size, and download optimized WebP files directly in your browser.

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