Developer Tools
Essential free tools for developers: JSON formatter, regex tester, Base64 encoder, diff checker, and more. Speed up debugging and data processing workflows.
About These Tools
Developer Tools are essential utilities for modern digital workflows. Whether you're a developer debugging APIs, a content creator preparing materials for different platforms, or anyone who needs to process information efficiently, these free online tools help you get the job done faster without installing software or creating accounts.
Every tool in this collection processes data directly in your browser. Your information never travels to external servers, ensuring complete privacy and lightning-fast performance.
Key Features
Common Use Cases
Available Tools
Format, validate, and beautify JSON data
Test regex patterns with real-time highlighting
Encode and decode Base64 strings and files
Convert between Unix timestamps and human dates
Compare text and find differences
Real-time code editing for pair programming and interviews
Create beautiful code screenshots with syntax highlighting
Preview shadcn/ui components with your custom CSS theme
Decode and inspect JSON Web Tokens
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes
Format and beautify SQL queries
Frequently Asked Questions
Are these tools really free?
Yes, all developer tools on SpeedyTools.dev are completely free to use. No premium features, no usage limits, no ads.
Do these tools work offline?
Most tools work entirely offline after the initial page load. Some features like real-time collaboration require an internet connection.
Learning Resources
Related Categories
Format, validate, and manipulate JSON data with our free online JSON tools. Format minified code, merge JSON objects, and validate syntax instantly. No signup required.
Encode and decode Base64, URL strings, and more. Convert data formats instantly for API integration, data transmission, and file encoding. Free and browser-based.
Compare text differences, convert HTML to Markdown, and extract content from web pages. Essential utilities for developers, writers, and content creators.
Edit code together in real-time, build team wikis, and share public pages. Real-time presence, version history, and instant sharing for remote teams.