ToolDost
Free online tools for calculations, conversions, and QR codes. Built for speed, simplicity, and success.
EMI & Loan Calculators
EMI Calculator
Calculate monthly EMI for loans
SIP Calculator
Estimate SIP maturity and wealth growth
GST Calculator
Add GST, remove GST, and tax breakup
Compound Interest Calculator
Project maturity value with compounding
Car EMI Calculator
Calculate car loan EMI with custom rates
Bike EMI Calculator
Two-wheeler loan EMI calculation
Personal Loan EMI
Unsecured personal loan calculator
EMI for ₹10,000
Small loan EMI calculator
EMI for ₹50,000
Medium loan EMI calculator
EMI for 5 Years
Long-term loan calculator
EMI with Prepayment
Advanced prepayment calculator
QR Code Generators
Developer Tools
JSON Formatter & Validator
Beautify, minify, and validate JSON instantly
Base64 Encoder / Decoder
Encode text/files and decode Base64
UUID Generator
Generate v4 UUIDs in bulk
URL Encoder / Decoder
Encode and decode URL strings
Regex Tester
Test patterns with flags and highlights
Timestamp Converter
Unix and human date conversion
Color Picker & Converter
HEX, RGB, and HSL conversion
HTML Minifier / Beautifier
Format and minify HTML code
PDF Tools
🎉 More tools coming soon!
We're constantly adding new calculators and converters. Bookmark this page to stay updated.