All-in-One Online ToolsFlowtooly
54 free tools for developers, finance, image, PDF, text, and math. Runs locally in your browser.
Use directly in your browser! No data uploaded or stored
Tools Categories
Find some tools that you need
Developer
11 tools
JWT Decoder, Password Generator, UUID Generator
Financial
11 tools
Cash Counter, COGS Calculator, Product HPP Calculator
Image
7 tools
Image Converter, Image Resizer, Image Cropper
3 tools
PDF Merge, PDF Split, PDF Generator
QR
1 tools
QR Generator
Text
7 tools
Case Converter, Word Counter, Remove Duplicate Lines
Math
9 tools
Square Calculator, Rectangle Calculator, Triangle Calculator
Utility
1 tools
Age Calculator
Conversion
2 tools
Temperature Converter, Length Converter
Health
2 tools
BMI Calculator, BMR & TDEE Calculator
Popular Tools
Frequently used tools to help you get things done faster
JWT Decoder
Developer
Decode JWT tokens instantly in your browser. View header and payload for debugging and inspection without uploading any data.
Loan Calculator
Financial
Calculate loan installments, total interest, and repayment using flat or effective (annuity) interest methods. Fast, accurate, and privacy-friendly.
Image Converter
Image
Convert images between popular formats such as JPG, PNG, WebP, and AVIF instantly in your browser.
Age Calculator
Utility
Calculate your exact age in years, months, and days using your date of birth. Includes next birthday countdown and total days alive.
Regex Tester
Developer
Test and debug regular expressions instantly in your browser. Supports flags, match highlighting, and live results for easier regex development.
Savings Goal Calculator
Financial
Calculate how much you need to save each month to reach your financial goal. Supports interest growth for accurate future value planning.
Why Flowtooly?
Built for speed, privacy, and ease of use
Fast & Lightweight
All tools run directly in your browser for instant results.
Privacy First
Your data is never uploaded or stored on our servers.
No Sign-Up Required
Use all tools instantly without creating an account.
All-in-One Tools
A wide range of tools available in one place.
Multilingual
Available in both English and Indonesian.
Ready to Get Started?
Explore all tools and find the solution you need in one place.