Developer Tools
Browser-based developer utilities. Your text stays on your device.
Developer Tools
JSON Formatter & Validator
Developer Tools
Format, minify, and validate JSON in your browser. Beautify JSON, remove extra whitespace, and check for errors without uploading data.
Open ToolBase64 Encoder & Decoder
Developer Tools
Encode text to Base64 and decode Base64 to text in your browser. Works with Unicode, including Korean, Japanese, Chinese, Arabic, Hindi, and emoji.
Open ToolURL Encoder & Decoder
Developer Tools
Encode or decode URLs and URL components with percent encoding in your browser. Choose full URL or component mode.
Open ToolUUID Generator
Developer Tools
Generate random UUID v4 values (GUIDs) in your browser. Create 1 to 100 identifiers with optional uppercase and hyphen settings.
Open ToolHash Generator
Developer Tools
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes in your browser. Output hexadecimal and Base64. Processing stays on your device.
Open Tool