Tools
Local browser tools for engineering work
Focused utilities for payload inspection, AI API debugging, compatibility checks, and privacy-preserving data transforms.
AI Engineering
Crypto
AES EncryptorEncrypt and decrypt with AES-GCM, AES-CBC, or AES-ECB. Supports multiple paddings and key/IV/input/output encodings.
DES Compatibility ToolDES with CBC, ECB, CFB, OFB, and CTR modes. Supports padding and multiple encodings for key, IV, input, and output.
SM4 Compatibility ToolSM4-CBC and SM4-ECB with configurable padding and encoding support for key, IV, input, and output.
Hash GeneratorGenerate MD5, SHA-1, SHA-256, and SHA-512 digests. Input supports text, Base64, or Hex encoding.
HMAC GeneratorGenerate keyed digests with HMAC-MD5, HMAC-SHA256, or HMAC-SHA512. Key and message support multiple encodings.
Data
JSON FormatterFormat, minify, and validate JSON without uploading it.
JSON DiffCompare two JSON documents and show structural changes.
Base64 TextEncode and decode UTF-8 text as Base64.
Base64 ImageConvert an image file to Base64, or decode Base64 back to an image with auto-detected format.
URL EncoderEncode or decode URL components.