Dev Tools
Utilities we keep in the browser
Format, convert, encode, and inspect payloads locally. Nothing here leaves your machine.
Formatter
JSON Formatter
Format, validate, and beautify JSON with syntax highlighting and error detection.
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Encoder
URL Encoder/Decoder
Encode or decode URLs and query parameters for web development.
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Decoder
MQTT Payload Decoder
Decode and analyze MQTT message payloads for debugging.
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Converter
CSV to JSON Converter
Convert CSV files to JSON format instantly with preview.
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Converter
Hex/ASCII Converter
Convert between hexadecimal and ASCII text representations.
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Security
Data Encrypter/Decrypter
Encrypt and decrypt text using AES-256 encryption.
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Security
SSL Key Generator
Generate real RSA, ECDSA, and Ed25519 keys plus a self-signed certificate in the browser.
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Generator
QR Sticker Maker
Create custom QR codes with logos and styling options.
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Need something these don’t cover?
The same team that built these utilities ships production AI and IoT systems.