Why use ToolsVix Developer tools?
Fast browser tools for developer tasks. Choose the exact job you need and get to the workspace without extra steps.
11 tools
Developer
Fast browser tools for developer tasks. Choose the exact job you need and get to the workspace without extra steps.
✓ Free✓ No sign-up✓ Local-first
Choose a tool
Each tool opens directly with the controls you need. No account is required.
Format & Validate JSON
Pretty-print, minify and validate JSON with clear error feedback.
Base64 Encode / Decode
Encode normal UTF-8 text as Base64 or decode Base64 back to readable text.
Unix Timestamp Converter
Convert Unix timestamps to readable dates and convert dates back to Unix time.
HEX to RGB / RGB to HEX
Convert color values between HEX and RGB and see a live color preview.
URL Encode / Decode
Safely encode special URL characters or decode an encoded URL component.
UUID v4 Generator
Generate one or many cryptographically random UUID v4 identifiers.
SHA Hash Generator
Generate SHA-256, SHA-384 or SHA-512 hashes from text in your browser.
Convert JSON to CSV
Turn an array of JSON objects into comma-separated CSV data.
Convert CSV to JSON
Turn CSV rows into a clean JSON array using the first row as field names.
HTML Entity Encode / Decode
Escape HTML characters such as <, > and & or decode HTML entities back to text.
JWT Decoder
Read a JWT header and payload locally. This tool does not verify the token signature.
Clear data handling
Each tool explains whether processing stays in your browser and whether a pinned third-party library is downloaded when needed.