Base64 Decoder - Decode Base64 to Text Online
Decode Base64 encoded data back to text online. Fast and secure Base64 decoding tool with support for UTF-8 characters and error handling.
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How to Decode Base64 to Text - Step by Step Guide
Input Your Base64 Encoded Data
Have Base64 encoded data that needs to be decoded? Simply paste your Base64 encoded content into the input area. The decoder will convert it back to its original readable format.
Example: Try This Base64 Encoded Data
Copy and paste this encoded example to see how it works: 😊
SGVsbG8gV29ybGQhIFRoaXMgaXMgYSBCYXNlNjQgZGVjb2RpbmcgZXhhbXBsZS4KU3BlY2lhbCBjaGFyYWN0ZXJzOiBAIyQlXiYqKCkrPVtde318OjonIiwuLzw+Pz8KVW5pY29kZTogY2Fmw6kgcsOpc3Vtw6kgbmHDr3ZlIPCfmoAg4pyoIPCfkqEKTnVtYmVycyBhbmQgc3ltYm9sczogMTIzNDUgIUAjJCUgzrHOss6zzrTOtQ==
See Automatic Base64 Decoding
Watch the transformation! 🎉 The tool instantly decodes your Base64 data back to its original format. All UTF-8 characters, symbols, and special content are properly restored.
Decoded Text Output
Your Base64 data becomes this readable text:
Hello World! This is a Base64 decoding example. Special characters: @#$%^&*()+=[]|;:'",./<>? Unicode: café résumé naïve 🚀 ✨ 💡 Numbers and symbols: 12345 !@#$% αβγδε
Copy or Download Your Decoded Text
Perfect! Now you can copy the decoded text to your clipboard or download it as a file. The output is ready to use in applications, documents, and systems.
What is Base64 Decoding? 🔓
Base64 decoding is the reverse process of Base64 encoding. It converts Base64 encoded ASCII text back to its original binary or text format. This is essential when you need to extract the original content from Base64 encoded data received from APIs, emails, or stored in databases.
The decoding process takes every 4 Base64 characters and converts them back into 3 bytes of original data. The decoder also handles padding characters (=) and validates the input to ensure proper decoding.
Frequently Asked Questions
How do I know if my data is Base64 encoded?
Base64 encoded data typically contains only letters (A-Z, a-z), numbers (0-9), plus (+), slash (/), and equals (=) for padding. It often looks like random text and may end with one or two equals signs.
Can I decode Base64 images with this tool?
Yes! The tool can decode Base64 encoded images and other binary files. You can download the decoded result or view it directly if it's a supported format.
What happens if the Base64 data is invalid?
The tool will detect invalid Base64 data and show clear error messages. Common issues include missing padding, invalid characters, or corrupted encoding.
Is my decoded data safe and private?
Absolutely! All decoding happens locally in your browser. Your data never leaves your device, ensuring complete privacy and security of your sensitive information.
Is this Base64 decoder completely free?
Yes, completely free with no file size limits, no registration required, and unlimited usage. All decoding features are available at no cost with complete privacy protection.