Base64 Encoder & Decoder

Free • No LoginInstant

Convert plain text strings or ASCII values to Base64 and decode Base64 encoded strings back to UTF-8 text with 1-click clipboard integration.

100% Client-Side Private
Instant Offline Fast

About Base64 Encoder & Decoder

Convert plain text strings or ASCII values to Base64 and decode Base64 encoded strings back to UTF-8 text with 1-click clipboard integration.

Whether you are a developer, student, or professional, our Base64 Encoder & Decoder is built to be fast, reliable, and completely free to use without any mandatory registrations or hidden paywalls. Bookmark this page (Ctrl+D / Cmd+D) to access this utility instantly whenever you need it.

100% Client-Side Processing & Privacy

Security and privacy are our top priorities. Base64 Encoder & Decoder operates entirely within your browser using client-side processing. This means your data, files, and inputs are never uploaded, stored, or transmitted to our external servers. What happens on your device, stays on your device. Enjoy enterprise-grade utilities with zero tracking and absolute peace of mind.

100% Client-Side Privacy

Your files, inputs, and tokens are processed strictly in your local browser sandbox via JavaScript Web APIs. No data is ever uploaded or stored on our servers.

Completely Free & Uncapped

No hidden paywalls, no watermark additions, and no mandatory account registration. Enjoy unlimited executions with maximum client speed.

Instant Offline Capability

Built as lightweight Progressive Web App (PWA) utilities, our tools load instantly and continue functioning even on unstable internet connections.