Image to Base64 Converter
Drop or select any image (PNG, JPG, SVG, WebP, GIF) to convert it to Base64. Get the raw Base64 string, a data URL for use in HTML/CSS, or a ready-to-paste CSS background-image value. All processing is local — no upload.
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Base64 Encoder & Decoder
Free Base64 Encoder & Decoder. Convert text, images, and any file to Base64 and back. Supports URL-safe Base64, image data URIs, and file download from Base64. Runs 100% in your browser — no data sent
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CSS Specificity Calculator
Calculate CSS selector specificity as (inline, ID, class, element) notation. Compare two selectors to see which wins the cascade. Supports :not(), :is(), :has(), :where(), attribute selectors, and pseudo-elements.
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Base64 Encode / Decode
Free Base64 encoder and decoder. Convert plain text or binary data to Base64 and back. Supports URL-safe Base64 (RFC 4648) and batch encode/decode with Pro. No data sent to any server — runs entirely
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