Each tool has its own page. What you type stays in this browser and is not uploaded. Password generatorGenerate a random password. Base64 encoder and decoderEncode text to Base64 or decode it. URL encoder and decoderEncode or decode a URL. UUID generatorCreate a random UUID. Hash generatorSHA-256, SHA-384, SHA-512, or SHA-1. JSON formatterFormat JSON and check that it is valid. All tools