What is the Base64 Encoder / Decoder?

Base64 Encoder / Decoder is a free online developer tool on TechLogHub that lets you encode plain text to base64 or decode base64 back to text. No signup or installation required — works directly in your browser.

Is the Base64 Encoder / Decoder free to use?

Yes, the Base64 Encoder / Decoder is completely free to use with no usage limits. No account or signup is needed.

Is my data safe when using the Base64 Encoder / Decoder?

Yes. All processing happens directly in your browser. Your data is never sent to any server or stored anywhere.

Encoding

Base64 Encoder / Decoder

Encode plain text to Base64 or decode Base64 back to text

Plain Text

Base64 Output

What is Base64?

Base64 is an encoding scheme that represents binary data as printable ASCII characters. It increases size by ~33% and is commonly used in emails, data URIs, and HTTP Basic Auth.

Common uses

Encoding images in CSS / HTML data URIs
HTTP Basic Authentication headers
JWT token payloads
Email attachments (MIME)

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