KaruviLab
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The world's most private browser-side toolkit.Fast. Secure. Local-first.

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EMI Calculator

Loan EMI, interest, and amortization

Calculators

SIP Calculator

Project mutual-fund SIP returns

Calculators

JSON Formatter

Format and validate JSON

Developer Tools

Password Generator

Strong, random passwords

Security

Compress PDF

Reduce PDF file size

PDF Tools

Merge PDF

Combine multiple PDFs into one

PDF Tools

PDF to Word

Convert PDF text to editable Word

PDF Tools

Compress Image

Reduce image file size

Image Tools

Background Remover

Remove image backgrounds locally

Image Tools

Hash Generator

MD5, SHA-1/256/512 hashes

Security

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Universal toolkit

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EMI Calculator

Loan EMI, interest, and amortization

Calculators

SIP Calculator

Project mutual-fund SIP returns

Calculators

Age Calculator

Calculate age in years, months, and days

Calculators

JSON Formatter

Format and validate JSON

Developer Tools

JSON ↔ CSV

Convert between JSON and CSV

Developer Tools

Base64 Encode/Decode

Encode or decode Base64 strings

Security

Password Generator

Strong, random passwords

Security

Compound Interest

Compounded growth over time

Calculators

GST Calculator

Add or remove GST from any amount

Calculators

Currency Converter

Convert between world currencies

Calculators

Discount Calculator

Find sale price and savings

Calculators

World Clock

Time across multiple cities

Calculators

Date Calculator

Add, subtract, or diff dates

Calculators

Time Calculator

Add or subtract hours and minutes

Calculators

Standard Calculator

Quick arithmetic calculator

Calculators
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