CS tools

Current converters, formatters, and developer utilities.

These tools help you convert, validate, and prepare data in formats commonly used by developers.

Back to tool categories

Date & time

Julian Date Converter

Convert calendar dates to Julian dates, JD Edwards values, and back with timezone awareness.

  • Enter a calendar date or JD Edwards date in the input area.
  • Choose the target Julian or JD Edwards output format.
  • Run the converter to see the converted date instantly.

Date & time

Timestamp Converter

Convert between Unix timestamps and calendar dates while preserving timezone context.

  • Paste a Unix timestamp or calendar date into the input field.
  • Select the desired timezone or output format.
  • Run the conversion to compute the corresponding date or timestamp.

CS utility

JSON Validator & Formatter

Validate JSON structure and automatically format it for readability and correctness.

  • Paste or type your JSON object into the editor.
  • Run validation to detect syntax errors and problems.
  • Review the error details if any issues appear.

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XML Validator & Formatter

Check XML syntax, fix mismatched tags, and format your XML for easier reading.

  • Paste your XML into the editor window.
  • Run the validator to find invalid tags or malformed structure.
  • Correct any issues shown by the tool.

CS utility

YAML Validator & Formatter

Validate YAML syntax, normalize indentation, and ensure structure safety.

  • Paste your YAML document into the input area.
  • Run validation to catch indentation or syntax errors.
  • Fix any reported issues using the guidance provided.

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TOML Validator & Formatter

Validate TOML configuration files and normalize formatting for cleaner configs.

  • Paste your TOML into the editor.
  • Run validation to detect syntax errors or invalid tables.
  • Correct errors and re-run the check until valid.

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ENV Validator & Formatter

Validate .env files and normalize formatting for consistent environment configs.

  • Paste the contents of your .env file into the editor.
  • Run validation to check key=value structure and formatting.
  • Fix any invalid lines or syntax errors.

CS utility

CSV Validator & Formatter

Validate CSV structure, check separators, and clean formatting for spreadsheet imports.

  • Paste CSV rows into the input editor.
  • Run the validator to detect malformed rows or missing delimiters.
  • Choose a delimiter or fix row formatting if needed.

CS utility

INI Validator & Formatter

Validate INI configuration files and format them to improve readability.

  • Paste your INI content into the editor.
  • Run the validator to identify syntax issues or missing brackets.
  • Review and fix any highlighted lines.

CS utility

JWT Decoder

Decode JWT headers and payloads to inspect token data safely in the browser.

  • Paste a JWT token into the input field.
  • Run decoding to inspect the header and payload contents.
  • Review the decoded JSON output and token claims.

CS utility

Base64 Validator & Decoder

Validate Base64 input and decode it into plain text for inspection.

  • Paste your Base64 string into the editor.
  • Run validation to confirm correct syntax and padding.
  • Decode the string to see the plaintext output.

CS utility

JSON to CSV

Convert structured JSON data into CSV format for spreadsheets and exports.

  • Paste valid JSON input into the editor.
  • Select any output options or headers if available.
  • Run the conversion to generate CSV output.

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CSV to JSON

Convert CSV data into structured JSON output for APIs and data tools.

  • Paste your CSV content into the editor.
  • Choose whether the first row should be treated as headers.
  • Run the conversion to produce JSON output.

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JSON to YAML

Transform JSON documents into YAML format for configuration and readability.

  • Paste valid JSON into the input area.
  • Run the tool to convert it into YAML format.
  • Review the generated YAML and adjust if needed.

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YAML to JSON

Convert YAML files into structured JSON for integration and processing.

  • Paste YAML into the editor.
  • Run the conversion to generate JSON output.
  • Review the JSON for correctness.

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TOML to JSON

Convert TOML configuration files into JSON data structures.

  • Paste TOML content into the editor.
  • Run the conversion to produce JSON output.
  • Verify the converted structure.

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XML to JSON

Convert XML documents to structured JSON output.

  • Paste XML data into the editor.
  • Run the conversion to generate JSON output.
  • Verify the generated structure.

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JSON to TOML

Transform JSON data into TOML format for config files and tooling.

  • Paste JSON data into the input area.
  • Run the conversion to output TOML format.
  • Check the TOML structure for correctness.

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EBCDIC Code Converter

Convert between plain text and EBCDIC hexadecimal representation.

  • Type plain text into the input area to convert to EBCDIC hex.
  • Or paste space-separated EBCDIC hex values to convert back to text.
  • Run conversion to see instant output in the paired editor.

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INI to JSON

Convert INI configuration files into JSON for easier data handling.

  • Paste INI text into the editor.
  • Run the converter to generate JSON output.
  • Review the JSON keys and values for accuracy.

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ENV to JSON

Convert .env key-value data into JSON format for application use.

  • Paste your .env content into the editor.
  • Run the conversion to produce JSON output.
  • Confirm the output fields and values.

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Base64 to Text

Decode Base64 content into readable UTF-8 text safely.

  • Paste the Base64 string into the tool.
  • Run the decoder to convert it into readable text.
  • Review the decoded output for accuracy.

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Text to Base64

Encode plain text into Base64 format for data transport or storage.

  • Paste plain text into the input box.
  • Run the encoder to generate a Base64 string.
  • Review the encoded output.

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URL Encode / Decode

Encode strings for URL transmission or decode URL-encoded text back to readable form.

  • Paste text or a URL-encoded string into the input.
  • Select whether to encode or decode.
  • Run the tool to produce the transformed string.

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HTML Escape / Unescape

Escape HTML entities for safe display or unescape them back into normal text.

  • Paste HTML or plain text into the editor.
  • Choose escape or unescape mode.
  • Run the conversion to produce the transformed text.