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Converters

DevTools Converters support CSV/JSON, YAML/JSON, TOML/JSON, Markdown/HTML, timestamps, number bases, image Base64, and text encodings — 10 tools, locally in your browser, free with no signup.

CSV to JSON

Convert header-row CSV text into a formatted JSON array, with support for quoted fields and common comma escaping.

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Color Code Converter

Convert color values between HEX, RGB, and HSL with live preview, shorthand HEX expansion, and copyable output.

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Timestamp Converter

Convert quickly between Unix seconds, Unix milliseconds, ISO dates, and local time strings.

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YAML to JSON

Convert YAML configuration files to JSON—ideal for API debugging, CI, and container configs.

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JSON to YAML

Convert JSON data into more readable YAML text for easier config maintenance.

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Markdown to HTML

Render Markdown into sanitized HTML for preview, copy-paste, and static page generation.

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Number Base Converter

Convert between binary, octal, decimal, and hexadecimal—handy for frontend, backend, and embedded debugging.

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Image to Base64

Upload an image and generate Base64 / Data URL output with preview, dimensions, and MIME type info.

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Text Encoding Converter

Convert text and bytes between UTF-8, ASCII, Latin-1, UTF-16, and other browser-supported legacy encodings.

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TOML ↔ JSON

Convert bidirectionally between TOML and JSON—suited for Python, Rust, and configuration workflows.

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About this tool

Developers often need to convert between data formats. This toolset covers configs, tabular data, documents, and time-related conversions.

How to use

  1. Choose a converter (e.g. YAML to JSON, timestamp).
  2. Paste or enter source data.
  3. Copy the converted output.

FAQ

Which formats are supported?

CSV↔JSON, YAML↔JSON, TOML↔JSON, Markdown→HTML, Unix timestamps, number bases, image to Base64, and text encoding conversion.

Is conversion done locally?

Yes. All conversions run in your browser without uploading data.

Does YAML to JSON support nested structures?

Yes for common YAML syntax and nesting. Edge cases may vary — verify the output.

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