Encoders tools

Free online Base64 encoder and decoder with URL-safe mode. Use as default for text; for split encode-only/decode-only URLs use base64-encoder/base64-decoder (aliases), for image files use image-to-base64. Input: text ≤10MB. Returns Base64 string or decoded text + error location. Convert instantly in your browser.

• Encode and decode text between plain text and Base64
• URL-safe variant for use in URLs and filenames
• Real-time conversion with copy and download support
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Free online URL encoder and decoder for query strings and components. Private client-side conversion.

• Percent-encode URLs and query strings per RFC 3986
• Decode percent-encoded text back to readable form
• Choose which characters to encode or preserve
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Encode/decode HTML entities (& < >). Use for HTML text; for URLs use url-encoder. Input: text ≤10MB. Returns encoded/decoded text. 100% client-side.

• Encode special characters as named or numeric HTML entities
• Decode entities back to plain text
• Prevents XSS when embedding user text in markup
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Convert text to binary and back. Use for binary strings; for other bases use base-converter. Input: text ≤10MB. Returns 0/1 string or decoded text. 100% client-side.

• Convert text to binary and binary back to text
• 8-bit byte grouping with optional separators
• Handles ASCII and Unicode input
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Convert text to hex and back. Use for hex encoding; for hashes use hash-generator. Input: text ≤10MB. Returns hex string or decoded text. 100% client-side.

• Convert text to hex and hex back to text
• Configurable spacing and letter case
• Real-time conversion as you type
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Escape/unescape JS strings. Use for code literals; for JSON strings use json-escaper. Input: text ≤10MB. Returns escaped text. 100% client-side.

• Escape strings for JavaScript, JSON, HTML, CSS, and URLs
• Unescape escaped strings back to readable text
• Per-target escaping rules to match the context
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Convert images to Base64 encoded strings online for free. Use for image files only; for text use base64. Input: image file ≤10MB. Returns Base64 data URI for HTML/CSS/JS. Generate Base64 data URIs for embedding images directly in HTML, CSS, and JavaScript code.

• Convert images to Base64 data URIs in one step
• Drag-and-drop file upload up to 10 MB
• Ready-to-paste HTML, CSS, and JS snippets
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Translate text to Morse code and back. Use for learning or signaling. Input: text ≤10MB. Returns dots/dashes or decoded text. 100% client-side.

• Translate text to International Morse code and back
• Audible playback of the encoded signal
• Customizable timing and separators
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