18 available tools
Developer Tools
Format, validate, encode, decode, and debug common development data.
Category facts
- Available tools
- 18
- Upload required
- No
Popular Developer Tools
All Developer Tools
Choose a tool below. Each tool opens as a static, SEO-friendly page with a local-first workspace.
JSON Formatter Format, validate and minify JSON easily Popular JSON Validator Validate JSON syntax and spot parsing issues JSON Minifier Minify JSON and remove whitespace New JSON to Base64 Converter Convert JSON payloads to Base64 New CSV to JSON Convert CSV rows into JSON objects New JSON to CSV Convert JSON objects into CSV New Base64 Encode Decode Encode and decode Base64 strings Popular URL Encode Decode Encode or decode URL-safe text instantly HTML Entity Encoder Encode and decode HTML entities New QR Code Generator Generate QR codes as PNG or SVG New UUID Generator Generate random UUID v4 instantly Popular Timestamp Converter Convert Unix timestamps and readable dates New Regex Tester Test JavaScript regular expressions New Hash Generator Generate MD5, SHA-1, SHA-256 hashes Popular SHA1 Hash Generator Generate SHA1 hashes from text New SHA256 Hash Generator Generate SHA256 hashes from text New MD5 Hash Generator Generate MD5 checksums from text New JWT Decoder Decode JWT headers and payloads safely
Recently added Developer Tools
Frequently asked questions
What are developer tools? +
Developer Tools are local-first utilities for common workflows. They are designed to be quick, simple, and easy to use without a signup.
Are these tools free? +
Yes. CodeVella tools are free to use and designed for quick everyday workflows.
Is my data uploaded? +
No. Tools are designed to run locally in your browser whenever possible, so your input stays on your device.
Can I use these tools for production work? +
Yes, for normal development and workflow tasks. Synthetic test data should only be used for development, QA, and demos.