Base64 Encoder
Encode text to Base64 online. Optional URL-safe alphabet. Copy the result in one click.
Base64 Encoder
Free online tool · instant results
Base64 Encoder workspace
Output
No output yet
Enter text and encode to Base64.
What it does
Encode text to Base64 online. Optional URL-safe alphabet. Copy the result in one click.
Best for
Encode text to Base64 online. Optional URL-safe alphabet. Copy the resul...
Time
~1 min to complete
Pricing
Free forever
Access
No signup required
Privacy
Runs in your browser
Overview
About this tool
A clear look at what this tool is for and why people use it.
Base64 Encoder
Encode text to Base64 online. Optional URL-safe alphabet. Copy the result in one click.
Encoding is free and private — this tool does not store your text.
Why use it
Benefits
Everything you need for a fast, confident answer — nothing you don’t.
Runs in your browser session
input is not stored by this tool
Copy results with one click
Copy results with one click
Clear validation and readable output
Clear validation and readable output
Free to use without signup
Free to use without signup
Walkthrough
How to use
Simple steps from empty form to a result you can use.
-
1
Enter or paste your input in the workspace.
-
2
Choose options if available, then run the tool.
-
3
Review the output and copy what you need.
-
4
Reset clears the workspace for another run.
Worked samples
Examples
Real-world scenarios so you can match the math to your situation.
Standard
- Hello
- SGVsbG8=
URL-safe
Useful for tokens embedded in URLs without +/ characters.
Under the hood
How it works
Follow the path from input to output — transparent and easy to scan.
Input
UTF-8 text bytes are encoded with PHP base64_encode.
• Standard mode keeps + and / with
padding.
• URL-safe mode maps
• URL-safe mode maps +/ to -_ and strips padding.
Pro tips
Tips
Small habits that make this tool even more useful day to day.
Get accurate results
Double-check units and inputs before you rely on Base64 Encoder output for anything important.
Work faster
Use the examples below as a starting point, then tweak values to match your scenario.
On any device
This tool is mobile-friendly — bookmark the page so you can reopen it in one tap.
Watch out
Common mistakes
Avoid these slip-ups so your result is ready the first time.
Leaving required fields blank
Enter every value the workspace asks for before calculating — empty fields usually block a result.
Using invalid numbers
Avoid negative values or percentages outside a valid range unless the tool explicitly allows them.
Mixing up units
Keep units consistent (currency, length, weight, time) so the formula returns a meaningful answer.
FAQ
Frequently asked questions
Straight answers to the questions people ask most.
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