Base64 Decoder
Decode Base64 encoded strings back to plain text instantly.
Part of Yoopla's 445+ free browser tools.
How to Use Base64 Decoder
- 1
Paste the Base64-encoded string into the input.
- 2
The decoded text appears automatically.
- 3
Click "Copy" to copy the decoded output.
- 4
If decoding fails, check for extra spaces or invalid characters.
Frequently Asked Questions
How do I decode a Base64 string?▾
Paste the Base64 string and the tool instantly shows the decoded plain text.
Why does my decode fail?▾
Check for padding issues (missing = signs) or non-Base64 characters in the input.
Can I decode Base64 images?▾
Yes — decode to get the raw binary, or use the data URI directly in an img tag.
Related Tools
JSON Formatter
Beautify and format JSON data instantly online.
Base64 Encoder
Convert text to Base64 encoding online for free.
URL Decoder
Decode URL-encoded strings online for free.
JWT Decoder
Decode JWT tokens online instantly and securely.
Binary to Text
Convert binary code to text and decode binary data.
Text to Binary
Convert text to binary code and encode data.
HTML Entities Decoder
Decode HTML entities back to special characters.
Base64 Image Encoder
Convert images to Base64 encoded data URI strings.
Explore the ecosystem around
Base64 Decoder
Category: Developer Tools
Use this tool as your starting point, then branch into adjacent tools, topic hubs, comparisons, and free alternatives.
Related Tools
Discover other tools that work great with Base64 Decoder
Base64 Encoder
Convert text to Base64 encoding online for free.
Explore More Tools →URL Decoder
Decode URL-encoded strings online for free.
Explore More Tools →JSON Formatter
Beautify and format JSON data instantly online.
Explore More Tools →JSON Validator
Check if your JSON is valid in one click.
Explore More Tools →UUID Generator
Create random UUIDs (v4) online for free.
Explore More Tools →QR Code Generator
Create free QR codes online for URLs, text, WiFi, and more.
Explore More Tools →Topic Hubs
Go deeper into pillar pages and connected workflows
Related Articles & Guides
Learn more about using tools effectively
Tool Comparisons
Compare features and choose the right tool
Popular Alternatives
Free alternatives to popular paid tools
Best Tools Collections
Curated lists of top-rated tools