Base64Auto-Detect • Encode • Decode Client-side
Smart Base64 Tool
Paste or Upload, We Detect & Convert
Drop a file or paste text. We detect whether it’s plain text or Base64 and show the right conversion. URL-safe support, optional padding removal, copy & download.
URL-safe Trim “=” padding Auto-detect
Save conversions & snippets in your dashboard
Keep reusable Base64 snippets, notes, and decoded artifacts in one place—so you don’t lose them after closing the tab.
Input (Auto-Detect)
Save conversions & snippets in your dashboard
Keep reusable Base64 snippets, notes, and decoded artifacts in one place—so you don’t lose them after closing the tab.
URL-safe
Omit padding
Soft wrap
Waiting for input
Status
Ready.
• Paste or upload anything. We’ll detect Base64 vs plain text automatically.
• If Base64 decodes to binary data (image/file), you can download it.
• URL-safe maps
• If Base64 decodes to binary data (image/file), you can download it.
• URL-safe maps
+// ⇄ -/_; padding is re-added automatically when decoding.Save conversions & snippets in your dashboard
Keep reusable Base64 snippets, notes, and decoded artifacts in one place—so you don’t lose them after closing the tab.
Plain Text
Base64
- • Auto-detect tries to decode Base64 first; on failure, your input is treated as plain text.
- • URL-safe accepts
-/_and converts them appropriately. - • Omit padding only affects encoding; decoding automatically restores missing padding.
- • If your Base64 decodes to binary (e.g., image/file), use Download Binary to save it.
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