Base64 Encoder & Decoder

Q: Is Base64 encryption?

No. Base64 is a reversible encoding and provides no confidentiality.

Encode UTF-8 text to Base64 or decode standard and URL-safe Base64 with instant validation.

✓Standard and Base64URL ✓No data stored ✓UTF-8 safe

Variant Auto Convert

Plain Text

Paste or type the value to convert

20 bytes

Base64 Output

Converted result, ready to export

28 bytes

SGVsbG8gZnJvbSBUb29sTmVzdCE=

Text encoded successfully.

Conversion Ready

How to Use

1Choose ModeSelect Encode or Decode.
2Paste ValueEnter text or Base64 input.
3Choose VariantUse Standard or URL Safe.
4ExportCopy, swap, or download.

Technical Specs

Maximum Size: 1 MB
Variants: Standard + URL Safe
Text Encoding: UTF-8
Privacy: No database storage

Important

Base64 is encoding, not encryption

Base64 represents binary data as portable text. Anyone can reverse it, so it must never be used by itself to protect passwords, authentication tokens, personal information, or application secrets.

Frequently Asked Questions

Is Base64 encryption? +

No. It is reversible encoding and provides no confidentiality.

What is Base64URL? +

It replaces URL-sensitive characters and commonly removes padding.

Is my input stored? +

No database persistence or conversion history is used.

Can this decode files? +

This version focuses on displayable UTF-8 text.

Base64 Explained Understand encoding and padding Base64URL in JWTs Why tokens use URL-safe encoding Encoding vs Encryption Know the important security difference

Developer newsletter

Stay Ahead

Get practical developer guides, new tools, and workflow improvements without inbox noise.