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Base64 Encoder Decoder

ToolToolNam Tools

Encode and decode Base64 for text and images. Fast, offline, developer-friendly.

Downloads
119+
on Google Play
Price
Free
No in-app purchases
Updated
Sep 24
2026 · v1.0.6
Get it onGoogle Play See alternatives

Screenshots

  • Base64 Encoder Decoder screenshot 1
  • Base64 Encoder Decoder screenshot 2
  • Base64 Encoder Decoder screenshot 3
  • Base64 Encoder Decoder screenshot 4

About Base64 Encoder Decoder

Base64 Tool is a fast, offline Base64 encoder and decoder built for developers and anyone who works with encoded data. Convert text and images to and from Base64 right on your phone — no internet, no servers, no data leaving your device.

What it does
• Text to Base64 and Base64 to text (UTF-8)
• Image to Base64: pick an image and get the Base64 string
• Base64 to image: paste a string and preview the decoded image
• URL-safe Base64 (RFC 4648) with optional padding removal
• Data URI output (data:image/png;base64,...) for embedding
• One-tap copy and paste

Why developers use it
• API tokens, Basic Auth headers, and data encoding on the go
• Embed images directly into HTML, CSS, or JSON as Data URIs
• Quickly check or debug an encoded string without opening a laptop
• A tool you reach for again and again — now always in your pocket

Privacy first
Everything runs locally on your device. Your text and images are never uploaded or shared. 100% offline.

Simple and clean
• Light and dark themes
• Clear two-tab layout: Text and Image
• Monospace output that's easy to read and select

This app is ad-supported with a small banner.

What’s new

Version 1.0.6 · Updated September 24, 2026

• Removed the full-screen ad that appeared when reopening the app

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