English
Encoding & character codes
Format and validate JSON, convert data and inspect code or URLs.
19 Tools10 languagesNo account needed
Favorites · Recently used
Recent tools and favorites are saved only on this device.
All tools
19- URL encoder and decoderEncode and decode URL componentsOpen tool
- Base64 encoder and decoderConvert UTF-8 text, including emojiOpen tool
- HTML entity encoder and decoderEscape HTML special characters or decode text entitiesOpen tool
- SHA hash generatorCalculate SHA-256, SHA-384 and SHA-512 text hashes locallyOpen tool
- Text to binary converterConvert UTF-8 text to 8-bit binary and backOpen tool
- Base64URL codecEncode or decode UTF-8 text with URL safe Base64Open tool
- Data URL codecCreate a text data URL or decode a text data URLOpen tool
- JWT decoderRead JWT headers and payloads without verifying the signatureOpen tool
- Percent encoding inspectorPercent encoding inspector — choose your inputs and copy or save the resultOpen tool
- Base64 byte inspectorBase64 byte inspector — choose your inputs and copy or save the resultOpen tool
- Text to byte arrayText to byte array — choose your inputs and copy or save the resultOpen tool
- Byte array to textByte array to text — choose your inputs and copy or save the resultOpen tool
- IPv4 · ConverterInputs: IPv4, ModeOpen tool
- JSONL · JSON · ConverterInputs: JSONL, ModeOpen tool
- Environment · JSON · ConverterInputs: Environment, ModeOpen tool
- INI · JSON · ConverterInputs: INI, ModeOpen tool
- Subtitle · Format · ConverterInputs: Subtitle, ModeOpen tool
- Permission · File · ConverterInputs: Permission, ModeOpen tool
- IPv4 · Netmask · ConverterInputs: Netmask, ModeOpen tool
Choose your task
Format and validate JSON, convert data and inspect code or URLs.
- JSONJSON formatter and validator · JSON to TypeScript · JSON Schema generator
- CSV & tabular dataCSV to JSON converter · JSON to CSV converter · TSV to JSON converter
- Encoding & character codesURL encoder and decoder · Base64 encoder and decoder · HTML entity encoder and decoder
- URLs & web settingsURL parser · Query string builder · HTTP status code lookup
- Code & SQLUUID generator · Password generator · Number base converter
- Files & ZIPFile hash calculator · File to Base64 · Base64 to file
Your tool inputs stay on your device.
Free, with no tool downloads required.