Developer & Data

Base64 Encoder and Decoder

Encode and decode URL components, UTF-8 Base64, Unicode and HTML entities locally.

◈ Local Processing · Inputs Are Not Uploaded

Inputs & Settings

This workspace processes data in the current browser; input is not saved upon refresh.

Results workbench

Fill in the details, then click Generate Results.

↗

Results will be displayed here

Review details, copy or download, and then continue your work.

YOUR NEXT STEP

Connect useful tools with your company workflow

Create a company account to configure website monitoring, business email and notifications, and invite your team to work together.

Create company account Explore Pro Contact Pan Chenxing

New companies receive a 14-day Pro trial, with no card required. Trials exclude the paid monthly credit grant.

Already have an account? Open your workspace →

How to use Base64 Encoder and Decoder

Enter Text to Convert and adjust the options as needed.
Run the tool and inspect its results, evidence and limitations.
Copy or download the result, then verify it against the actual website, source data or business records.

Try a concrete example

Encode text containing Chinese characters and emoji as UTF-8 Base64, then decode it back.

How to interpret results

Base64 is encoding, not encryption. URL encoding applies to components; use the URL parser for full URLs. Invalid encoding produces an error. Input is never executed as HTML or JavaScript.

Frequently asked questions

Can Base64 protect passwords?

No, anyone can decode it directly.

Can Chinese text be converted properly?

Supports UTF-8 Chinese characters and emojis; invalid encodings will prompt an error.

Is URL encoding the same as encryption?

No. Encoding addresses data transfer formats, not confidentiality.

Base64 and URL encoder practical guide and common questions

What does a Base64 and URL encoder do?

Base64 represents bytes as transportable text, while URL encoding represents special characters in URL components. Their purposes and decoding steps differ.

Who is this for, and when is it useful?

Developers troubleshooting text encoding, parameters and interface payloads.

How do I use this Base64 and URL encoder?

Choose an encoding mode, enter the exact text and verify characters and whitespace; Base64 is not encryption.

How should I interpret the results?

Confirm input encoding and conversion direction, especially non-ASCII text, plus signs and spaces. Match the receiving interface's expectations; encoding does not protect secrets.

Where is the work performed, and which services receive data?

Base64 and URL conversions run in your browser. Input is not sent to the interface being debugged or another encoding service.