Free Base64 Encode / Decode Online

Encode plain text to Base64 or decode Base64 back into readable text.

Base64 Encode / Decode

Encode plain text or decode Base64 payloads.

🔒 Processes data locally in your browser — input isn’t uploaded or stored.

What This Tool Does

Paste text or Base64, choose encode or decode, and copy the result.

How to Use

Paste source text or Base64 input.
Run encode or decode action.
Copy transformed value.

Common Mistakes

Skipping input validation before running the tool action.
Copying output without checking whether format/units match destination requirements.
Ignoring related next-step tools that finalize the workflow.

Workflow Notes

Encode plain text or decode Base64 payloads.
Review output before sharing or exporting to downstream tools.
Use related tools below to continue your workflow without context switching.

Related Tools

Continue with related tools that handle the next step in your workflow.

JWT Decoder - Decode JWT header and payload claims.
URL Encode / Decode - Encode or decode URL components.
JSON Validator - Validate JSON and inspect syntax errors.
ASCII to Text Converter - Convert ASCII numeric sequences back to readable text output.
HTTP Header Parser - Parse raw HTTP headers into structured JSON.

FAQ

What does Base64 Encode / Decode help with?

Encode plain text or decode Base64 payloads. It is useful for debugging, validation, and fast transformation tasks.

Can I paste raw data directly?

Yes. Paste your input as-is, run the action, then copy the output you need.

Is my input sent to a server?

Your input is processed locally in your browser. It isn't uploaded or stored.

What input format is supported?

Use the controls on this page to enter input and generate output directly in your browser.