Smart, Private & Instant
Web Utilities for Everyday Work.
Image compressors, developer tools, text processors, and financial calculators running directly inside your browser memory. Your confidential data never leaves your computer.
Zero Cloud Upload
100% In-Browser Memory
<100ms Execution
Hardware Accelerated
GDPR Compliant
No Tracking or Logs
Unlimited & Free
No Paywalls or Signup
All Online Utilities
Select any tool to start processing data immediately inside your browser.
Background Remover
Erase image backgrounds with on-device AI.
Image Compress
Shrink image size with a quality slider.
Image Resize
Change image width and height.
Exam Photo Resizer
Exact KB + pixels for exam forms.
Signature Resize
Exact KB + pixels for signatures.
Image Convert
Convert between JPG, PNG and WebP.
Image Crop
Crop an image to any size.
Image Rotate
Rotate or flip your image.
JSON Formatter
Format, validate and minify JSON.
Base64 Encode/Decode
Convert text to and from Base64.
URL Encoder
Encode and decode URL components.
Hash Generator
SHA-1, SHA-256 and SHA-512 hashes.
Password Generator
Strong, random, secure passwords.
JWT Decoder
Decode JWT header and payload.
UUID Generator
Generate random UUID v4 values.
QR Code Generator
Make a QR code from any text or URL.
Color Converter
Convert HEX, RGB and HSL colors.
Word Counter
Count words, characters and lines.
Case Converter
UPPER, lower, Title and more.
Lorem Ipsum
Generate placeholder text.
Remove Duplicates
Remove duplicate lines from text.
Slug Generator
Make clean URL-friendly slugs.
GST Calculator
Add or remove GST instantly.
EMI Calculator
EMI, interest and full repayment schedule.
SIP Calculator
Mutual fund SIP returns.
Prepay vs Invest
Clear the loan early or invest instead?
Percentage Calculator
Every kind of percentage maths.
Age Calculator
Exact age from date of birth.
BMI Calculator
Body mass index and category.
Why Rupix Tools Outperforms Cloud Utilities
Legacy online utility websites upload your API keys, images, and text to remote servers. Rupix executes everything directly in your browser.
Remote Server Architecture
- ✕Server Data Transmission: JSON payloads, JWT tokens, and private images are sent across third-party networks.
- ✕Network Latency: Constant upload and download roundtrips slow down repetitive development workflows.
- ✕Aggressive Ad Invasions: Full-page popups, redirect traps, and annoying daily conversion caps.
- ✕Data Telemetry: Unvetted third-party analytics log user input strings and parameters.
100% Client-Side WebAssembly
- Zero Bytes Uploaded: Processing happens entirely inside client memory using high-speed WASM.
- Instant Sub-100ms Execution: Zero network wait times. Heavy images and JSON datasets render instantly.
- Unlimited & Free Forever: Full access to all 27 tools without daily quotas, subscriptions, or login forms.
- Military-Grade Data Privacy: Safe for sensitive API secrets, production JWT tokens, and private photos.
Three Steps to Instant Utilities
Clean, developer-friendly utilities built for maximum productivity.
Paste or Drop
Paste your raw JSON, JWT token, text, or drop images into the tool interface.
Instant In-Browser Execution
Calculations, formatters, and image transformers execute immediately on your CPU with zero cloud lag.
Copy or Download
Copy formatted output with one click or download optimized files directly to your machine.