Converters

Converters for URLs, Base64, units, and common web formats.

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Quick starts

Start with the most useful tools in this category

Open a focused browser tool first, then keep the full category list below for deeper work.

Priority 01Base64 Encoder / DecoderEncode text to Base64 or decode Base64 to text.Priority 02Image to Data URL GeneratorConvert any image or file to a Base64 data URL with preview and CSS/HTML usage snippets.Priority 03URL Encoder & Decoder — Convert Text to URL-Safe FormatEncode text for URLs or decode encoded URL values.Priority 04CSV ↔ JSON ConverterConvert CSV to JSON (array of objects) or JSON to CSV — quoted-field aware, runs in your browser.

Tools in this category

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 to text.

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Image to Data URL Generator

Convert any image or file to a Base64 data URL with preview and CSS/HTML usage snippets.

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URL Encoder & Decoder — Convert Text to URL-Safe Format

Encode text for URLs or decode encoded URL values.

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CSV ↔ JSON Converter

Convert CSV to JSON (array of objects) or JSON to CSV — quoted-field aware, runs in your browser.

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JSON to TypeScript Types

Generate TypeScript interfaces from a JSON sample — nested types, arrays, optional keys inferred.

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HTML Escape / Unescape

Escape plain text for HTML body or quoted-attribute contexts, decode a documented entity set, or prepare standalone double-quoted JavaScript string content.

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JSON Escape / Unescape

Escape a string for safe embedding in a JSON value, or unescape a JSON-encoded string back to plain text.

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