Developer Tools
developer
Use fast browser-based developer tools for encoding, formatting, color work, and QR tasks. No signup required.
ASCII Code Converter
Convert text to ASCII codes (decimal, hex, binary) and view the ASCII table reference.
Open ASCII Code Converter →Base64 Encoder & Decoder
Encode and decode text or files to Base64 format with URL-safe option.
Open Base64 Encoder & Decoder →Code Formatter
Format and beautify HTML, CSS, JavaScript, and JSON code with proper indentation.
Open Code Formatter →Color Picker
Select colors and get HEX, RGB, HSL values. Pick colors from screen with eyedropper.
Open Color Picker →CSS Sprites Generator
Combine multiple images into a single sprite sheet and generate CSS code.
Open CSS Sprites Generator →Number System Converter
Convert between binary, octal, decimal, hexadecimal, and ASCII characters.
Open Number System Converter →QR Code Generator
Create QR codes for URLs, text, email, phone, Wi-Fi, vCard, and more.
Open QR Code Generator →QR Code Reader
Scan QR codes from camera or uploaded images.
Open QR Code Reader →Developer Tools Guide
Popular starting points are Base64 Encoder & Decoder, Code Formatter, and QR Code Generator.
1. How do I open and use a developer utility from this index?
- Choose the utility you need from the list: converter, formatter, color, sprite, or QR tool.
- Paste or upload your input, then run the action (convert, format, generate, or scan).
- Copy the result immediately or download output files when available.
- Switch tools quickly when you are debugging different data formats in one workflow.
2. How do developer tools on this site run locally in my browser?
All developer tools run in your browser, so input data stays on your device.
Converters and encoders process text and files in real time with client-side APIs.
Formatting, color picking, sprite generation, and QR handling are all processed locally.
3. What developer tools are available and what problems do they solve?
Developer Tools is a fast browser toolkit for everyday coding and debugging tasks.
It helps with encoding, formatting, color values, sprite output, and QR workflows.
No signup or installation is required.
4. Why use browser-based encoders, formatters, and generators?
- Keeps data local with in-browser processing.
- Covers common developer utilities in one place.
- Works quickly without account setup.
- Supports desktop and mobile usage.
5. When are quick developer utilities faster than a full IDE or CLI?
- Checking encoded payloads while testing APIs.
- Cleaning up code snippets before sharing or committing.
- Converting number systems during low-level debugging.
- Generating QR codes for links, Wi-Fi, and contact cards.
- Scanning QR images captured from docs, slides, or screenshots.