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Base64 Encoder / Decoder

NewFreeSecure

Encode plain text or files to Base64, or decode Base64 strings back to readable text. Useful for developers working with APIs, data URIs, and authentication tokens.

Used 340K+ timesSpeed: ~instantAuto-deleted after 1 hour

Base64 Encoder / Decoder

Encode and decode Base64 strings instantly.

0 characters

Base64 output will appear here
Runs 100% in your browserNo data sent to serversSupports Unicode / UTF-8Instant results
All processing runs locally in your browser — your data never leaves your device.

How to use Base64 Encoder / Decoder

  1. Enter text or Base64

    Type or paste plain text to encode, or a Base64 string to decode.

  2. Choose encode or decode

    Select whether you want to encode text to Base64 or decode Base64 back to plain text.

  3. Copy the result

    Your encoded or decoded result appears instantly. Copy it with one click.

Frequently asked questions

Is this tool completely free?

Yes — this tool is free with no account required. Free users get up to 50 MB per file. Premium users unlock higher limits and batch processing.

Are my files stored after processing?

No. All uploaded files and processed outputs are automatically deleted from our servers within 1 hour of processing. We never store, sell, or share your data.

How secure is my data?

All file transfers use TLS 1.3 encryption. Files are processed in isolated sandboxes and immediately discarded. We are GDPR-compliant and do not use your files for any purpose beyond processing.

What happens if processing fails?

If processing fails, no data is retained and you are not charged. Simply re-upload your file and try again. If the problem persists, contact our support team.

Can I use this on mobile?

Yes! ToolHive is fully responsive and works on any modern device — phone, tablet, or desktop. All features are touch-friendly.

Your privacy is our priority

All files are transferred over TLS 1.3 encrypted connections and processed in isolated environments. Files are automatically deleted within 1 hour — we never store, share, or train AI models on your data.

TLS 1.3 encryptedEU / US serversGDPR compliantNo account needed