Base64 Encode
Encode text or Unicode (emoji, accents, any language) to Base64 — or URL-safe base64url — instantly in your browser. Live output, byte counts, and one-click copy.
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11 tools
Encoding tools
Free online encoding tools that run entirely in your browser.
Base64 Decode
Decode Base64 or URL-safe base64url back to readable UTF-8 text as you type. Tolerates missing padding and line breaks, with instant validation and copy.
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Base64 to Image
Paste a Base64 string or data:image URL and preview the image instantly, with type, dimensions, and size — then download it. Decoded locally, never uploaded.
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Image to Base64
Drag and drop a PNG, JPG, GIF, WebP, or SVG and get a Base64 Data URL you can paste straight into CSS, HTML, or JSON. Encoded in your browser — nothing is uploaded.
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URL Encode
Percent-encode text for safe use in URLs, query strings, and form fields. Switch between component (encodeURIComponent) and full-URL (encodeURI) modes with live output.
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URL Decode
Decode percent-encoded (%20, %26 …) URL strings back to readable text as you type, with + treated as a space and clear errors for malformed input.
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HTML Entity Encode
Encode special characters into HTML entities.
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HTML Entity Decode
Decode HTML entities back to readable characters.
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Binary Converter
Convert text to 8-bit binary and decode binary bytes back to text live, with byte and bit counts. Great for learning ASCII, debugging payloads, and CS homework.
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Morse Code Translator
Translate text to Morse code and decode Morse back to letters live. Handles letters, digits, punctuation, and / word separators — with character and word counts.
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Caesar Cipher / ROT13
Encode and decode text with a classic Caesar shift cipher. Live output, a shift slider, a ROT13 preset, and a clickable brute-force preview of all 26 shifts.
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