Encode & decode

Browse all tools in the "Encode & decode" category.

JSON to YAML (web-toolbox.dev)

Free tool for converting JSON data to YAML format. Useful for config file format conversion and transforming API responses into YAML.

JSON to TOML (web-toolbox.dev)

Free tool for converting JSON data to TOML format. Useful for config file format conversion.

JSON to CSV (web-toolbox.dev)

Free tool for converting JSON data to CSV format. Just paste array-based JSON to convert it, ideal for migrating data to spreadsheet applications.

Image Base64 Encode (web-toolbox.dev)

Free tool for encoding image files to Base64 format. The encoded result can be used directly in HTML img tags or CSS background-image.

Image Base64 Decode (web-toolbox.dev)

Free tool for decoding Base64-encoded image data and displaying or downloading it as an image. All processing is done in the browser, so data is never sent externally.

Image Base64 Converter (toolpods.io)

Convert images to Base64-encoded data URLs and vice versa. Useful for embedding images directly in CSS or HTML.

HTML Tag Character Replacement Tool (tool.muzin.org)

A tool to convert HTML special characters (<, >, &) and their entity references (&lt;, &gt;, &amp;) bidirectionally. Useful for escaping/unescaping HTML tags to enable or disable them.

HTML Escape Tool (saruwakakun.com)

A web tool for escaping and unescaping HTML special characters (&, <, >, ", '). Optionally wraps output in &lt;code&gt; or &lt;pre&gt; tags. A handy utility for web developers.

HTML Escape / Unescape (web-toolbox.dev)

Free tool for escaping and unescaping HTML special characters such as <, >, &, and quotes. Useful for safely outputting HTML content and checking during debugging.

HEX to ASCII (web-toolbox.dev)

Free tool for converting HEX (hexadecimal) to ASCII strings. Supports various input formats including space-separated, 0x notation, and newline-separated, useful for debugging and data analysis.

data URI Converter (lazesoftware.com)

Encodes files to data URI format or decodes data URIs back to files. Supports any file type up to 5MB, with automatic or manual MIME type specification and configurable newline handling for HTML and CSS use cases.

CSV to JSON (web-toolbox.dev)

Free tool for converting CSV data to JSON format. Configure header row presence and separator, then copy the converted result immediately.

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