🛠️Welcome to Utilbox
Free online developer tools. No signup required.
🧪API Testing(1)
🔐Encoders/Decoders(3)
💻Development(6)
Regex Tester
Test and validate regular expressions in real-time
UUID Generator
Generate unique identifiers (UUID v1 and v4) with batch support
Password Generator
Generate secure random passwords with customizable length and character sets
Hash Generator
Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-384, SHA-512) with HMAC support
HMAC Generator
Generate HMAC signatures with SHA-1, SHA-256, SHA-384, and SHA-512 algorithms
Bcrypt Hash
Generate and verify bcrypt password hashes with configurable salt rounds (4-15)
📋Formatters(3)
🖼️Image Tools(5)
Image Compressor
Compress PNG, JPEG, and WebP images with quality controls
Image Resizer
Resize images with custom dimensions and presets
Placeholder Generator
Generate SVG and PNG placeholders with custom colors and labels
Image Converter
Convert PNG, JPEG, and WebP images with format and quality controls
Favicon Generator
Generate common favicon PNG sizes for websites and PWAs
📝Text Tools(5)
Share Text
Share encrypted text with end-to-end encryption and auto-expiration
Text Case Converter
Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE
Markdown Live Preview
Write Markdown and preview the rendered output live in your browser
Temp Chat
Temporary chat rooms
Text Diff
Compare text differences with side-by-side and unified views
🔄Converters(5)
XML ↔ JSON Converter
Convert between XML and JSON formats
YAML Converter
Convert between YAML and JSON formats
Timestamp Converter
Convert timestamps between formats
Currency Converter
Convert between currencies with real-time exchange rates
Color Converter
Convert between HEX, RGB, HSL, and HSV color formats