Online Tools
Everyday utilities like QR code generation, all free and running in your browser
QR Code Generator
Turn any link or text into a downloadable QR code.
Password Generator
Generate a strong, random password with adjustable options.
Text Case Converter
Convert text between uppercase, lowercase, camelCase, and more.
Color Converter
Convert colors between HEX, RGB, and HSL with a live preview.
Base64 / URL Encoder-Decoder
Encode or decode text as Base64 or a URL component.
JSON Formatter & Validator
Format, validate, and minify JSON with instant error messages.
UUID / Random Number Generator
Generate UUIDs or random numbers within a range.
Lorem Ipsum Generator
Generate placeholder text by words, sentences, or paragraphs.
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates.
Image to PDF Converter
Combine one or more images into a single downloadable PDF.
Hash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes.
Subscription Cost Tracker
Add up all your subscriptions into a true monthly and yearly total.
Commute Cost Calculator
Calculate your true monthly and yearly commuting cost.
What Is the This Calculator?
Frequently Asked Questions
Are these tools free to use?
Yes, every tool here is completely free, with no sign-up required.
Do these tools save my data?
No, all processing happens locally in your browser and nothing is uploaded or stored.
Can I use these on my phone?
Yes, all tools are fully responsive and work well on mobile devices.