UnCloudPrivacy-first · Client-side

Base64 Tool

Local

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UnCloudLocal-first privacy toolkit

Privacy tooling that feels like product design - not punishment. Everything runs 100% in your browser, so sensitive data never has to leave your machine.

All systems local-only

Product

Dashboard
Image Compressor
Image Converter
Compress PDF
Merge PDF
Unlock PDF

Company

Privacy policy
Terms of use
llms.txt

Privacy posture

Zero telemetry

No trackers, pixels, cookies, or hidden analytics - by design.

Client-side only

Your inputs stay in the tab you opened - not in our infra.

© 2026 UnCloud. No cookies. No tracking. No nonsense.

Input Text Upload File to Base64

Output Base64

Base64 Tool - Free Online Tool | UnCloud