Developer Tools — Online, Free, Instant
Format JSON, encode Base64, test Regex, generate hashes. No install. Works in your browser. 100% client-side.
Available Tools
JSON Formatter
Pretty print, validate, and minify JSON
Base64 Encoder
Encode and decode Base64 strings
URL Encoder
Encode and decode URLs
Regex Tester
Test and debug regular expressions
Hash Generator
Generate MD5, SHA-256, SHA-512 hashes
Who Uses DevBench?
Web Developers
Format JSON APIs, encode/decode Base64 for authentication, test URL parameters, and validate regex patterns in real-time.
DevOps Engineers
Generate hashes for checksums, validate configuration JSON, encode secrets for deployment, and test log parsing regex.
Security Researchers
Hash verification for integrity checks, regex pattern testing for attack detection, and URL encoding for payload analysis.
Why DevBench?
No Installation
Works directly in your browser. No downloads, no dependencies.
100% Private
All processing happens on your device. Data never leaves your browser.
Always Free
No premium tiers. All tools are completely free, forever.
Mobile Friendly
Responsive design works seamlessly on phones, tablets, and desktops.
Frequently Asked Questions
Is my data stored or sent to a server?
No. All processing happens entirely in your browser using JavaScript. Your data is never sent anywhere or stored.
Are these tools free forever?
Yes. DevBench is completely free with no premium tiers or ads. We believe developer tools should be accessible to everyone.
Can I use DevBench offline?
Yes. Once loaded, DevBench works offline. Just bookmark it and you can use it anytime without internet.
What about browser compatibility?
DevBench works on all modern browsers including Chrome, Firefox, Safari, and Edge. We recommend the latest versions.
How accurate are the hash algorithms?
We use the Web Crypto API for SHA hashes (SHA-1, SHA-256, SHA-512) which are cryptographically standard. MD5 uses the industry-standard md5 library.