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Text Encoder / Decoder Input AUTO-DETECT 0 chars Encode Decode Clear URL-safe mode (+/ → -_) Auto-detect mode Output as data URI ⇅ Swap Input / Output Output 0 chars Copy Output File to Base64 📄 Drag & drop a file here, or click to browse Choose File Include data URI prefix (e.g. data:image/png;base64,...) What is Base64 Encoding? Base64 is a binary-to-text encoding scheme that represents binary data using a set of 64 printable ASCII characters (A–Z, a–z, 0–9, +, and /), with = used for padding. The name comes from the 64 characters used in the alphabet. Each Base64 character encodes exactly 6 bits of binary data, meaning every 3 bytes of input become 4 Base64 characters — increasing the data size by approximately 33%. Base64 was standardized in RFC 4648 and is universally supported across programming languages, browsers, and operating systems. ...

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Input Text Characters: 0 Words: 0 Lines: 0 Related Tools Format your JSON with ease → JSON Formatter ...

Encode special characters to HTML entities or decode HTML entities back to plain text — instantly in your browser. No data is sent to any server. Encode Decode Input (plain text) ⇆ Output (HTML entities) Copy Output Clear Copied! Common HTML Entity Reference Character Named Entity Numeric (Dec) Numeric (Hex) Description No matching entities found. Related Tools Encode URLs for safe use in links and APIs → URL Encoder ...

Format / Beautify Indent: 2 spaces 4 spaces Tab Minify Validate Tree View Copy Output Sample JSON Clear Input Chars: 0 Lines: 1 Output // Formatted output will appear here Copied to clipboard! What is JSON? JSON (JavaScript Object Notation) is a lightweight, human-readable data interchange format originally derived from JavaScript object syntax. It uses a simple structure of key-value pairs, arrays, strings, numbers, booleans, and null values, making it straightforward to read and write for humans while remaining easy to parse and generate for machines. Today JSON has become the de facto standard for data exchange in web APIs, configuration files, and inter-service communication across virtually every programming language and platform. ...

✎ Markdown Editor Load Sample Clear ☾ Dark ⛶ Fullscreen Copy HTML ⬇ .md Export .html B I S H1 H2 H3 🔗 📷 `c` ``` > • ul 1. ol ☐ ☰ — ✎ Editor 1 👁 Preview Words: 0 Chars: 0 Lines: 0 Read: 0 min ✓ Autosaved Related Markdown Tools: Markdown Preview  ·  Markdown Table Generator  ·  Markdown TOC Generator ...

📄 Markdown Preview Load Sample Clear ☾ Dark Mode Copy HTML Export .html Markdown Preview Words: 0 Chars: 0 Lines: 0 Read time: 0 min Copied to clipboard! Related: Try our Word Counter for in-depth text analysis — word frequency, reading level, and more. ...

Original Text A Modified Text B Word-level diff Ignore whitespace Ignore case ▶ Compare ⇆ Swap ✕ Clear Both 📋 Copy Diff Copied! Added: 0 | Removed: 0 | Unchanged: 0 | Similarity: 0% Diff Result Enter text in both panels above and click Compare to see differences. How to Use the Text Diff Checker Paste your original text into the left panel (labeled A). Paste your modified text into the right panel (labeled B). Click Compare (or press Ctrl+Enter) to generate the diff. Review the results: Lines highlighted in green (with +) were added in the modified text. Lines highlighted in red (with -) were removed from the original. Lines with no highlight are unchanged. Use the statistics bar to see a quick summary: lines added, removed, unchanged, and an overall similarity percentage. Options explained: ...

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