Format converter tools

Convert between data formats instantly — CSV, JSON, HTML, Markdown, Base64, and binary.

Convert CSV to JSON
Convert CSV to JSON or JSON to CSV instantly. Auto-detects delimiters — supports comma, semicolon, and tab.
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Convert JSON to Markdown Table
Paste a JSON array and instantly get a formatted Markdown table. Perfect for READMEs and documentation.
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Convert HTML to Markdown
Paste HTML and get clean Markdown instantly. Handles headings, lists, links, images, tables, and code blocks.
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Convert Markdown to HTML Online
Bidirectional Markdown ↔ HTML converter. Paste content and get instant output — headings, lists, links, code blocks, and more.
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Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to text. Also supports image to Base64.
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Text to Binary
Convert text to binary, hex, and decimal representations instantly.
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Convert MNG to APNG Online
Convert MNG (Multiple-image Network Graphics) to APNG in your browser. Preserves frames and timing — no upload, no watermark.
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YAML to JSON Converter
Convert YAML to JSON or JSON to YAML instantly in your browser. No upload, no sign-up.
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XML to JSON Converter
Convert XML to JSON instantly in your browser. Handles attributes, nested elements, and repeated tags.
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Bulk WebP to PNG Converter
Turn a stack of WebP files into PNGs with transparency intact, for the apps and CMSes that still refuse to read WebP.
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Bulk AVIF to PNG Converter
AVIF keeps files small but half the editors out there cannot open one. Convert a batch to PNG and get images that paste anywhere.
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Bulk AVIF to JPG Converter
Convert a folder of AVIF photos to JPG at the quality you choose, for uploaders and marketplaces that reject the newer format.
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Bulk PNG to JPG Converter
Flatten a batch of PNGs to JPG and set the compression level, for when screenshots and exports keep hitting an upload limit.
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Bulk JPG to PNG Converter
Convert JPG photos to PNG in one pass, so every later edit and re-save avoids stacking another round of lossy compression.
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