Runs in your browser
All tools run locally in your browser. No installation, no setup.
Local-first tools for developers and makers
Free, privacy-friendly tools that run locally in your browser. No upload, no signup.
No Data Upload Runs Locally Fast & Free Privacy Friendly
Popular Tools
View all tools JSON Formatter Format, validate and minify JSON easily Popular Base64 Encode Decode Encode and decode Base64 strings Popular UUID Generator Generate random UUID v4 instantly Popular Hash Generator Generate MD5, SHA-1, SHA-256 hashes Popular Random US Address Generate test addresses for development Popular
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View allWhy CodeVella?
No data upload
Your data never leaves your device. 100% private and secure.
Fast and free
Optimized for speed and performance. All tools are completely free.
Built for real workflows
Useful tools for developers, testers, and ecommerce operators.
Frequently Asked Questions
Are these tools really free to use? +
Yes. All CodeVella tools are completely free to use. There are no hidden fees, no premium tiers, and no usage limits on most tools.
Is my data uploaded to your server? +
No. CodeVella tools are designed to run locally in your browser. Your input data is processed on your device and is never uploaded to our servers.
Do I need to create an account? +
No. All tools work without signup or login. Just open a tool page and start using it immediately.
Can I use the generated data in production? +
For development and QA tasks, yes. Synthetic test data (random names, emails, addresses) should only be used for development, testing, demos, and safe internal workflows.
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