Base64 Encode/Decode
Encode plain text to Base64 or decode Base64 back to plain text.
Base64 Encoder / Decoder Suite
Encode and decode strings using modern TextEncoder/TextDecoder. Fully supports UTF-8 and Emojis. Includes URL-Safe mode for JWTs and real-time size overhead analytics.
Paste text on the left to see output.
💡 Processed locally using TextEncoder/TextDecoder. No data leaves your browser. 100% private and secure.
How Base64 Encode/Decode Works
1. Input Data or Upload File
Enter your text, upload PDF/image, or set parameters in the interactive input box.
2. Automatic Browser Processing
The tool processes data instantly via Client-Side Engine (WebAssembly/Canvas/RegEx) with 100% privacy.
3. Inspect Real-Time Preview
Review calculated metrics or transformed files live on screen with options to fine-tune.
4. Copy or Download Output
Click to copy text or download final files directly to your device with zero watermark.
How to Use Base64 Encode/Decode
- Toggle between Encode and Decode modes using the switch button.
- Paste your plain text or Base64 string into the left input box.
- The system converts and displays the result in the right panel in realtime.
- Click copy to use the output string.
About & How Base64 Encode/Decode Solves Your Problems
Comprehensive breakdown of features, technical engine, and benefits
What is this tool and how does it work?
A Base64 encoder and decoder for converting plain text to Base64 or decoding Base64 strings back to original text.
How does this tool solve your problem?
Base64 is widely used for embedding images in HTML/CSS, sending data via APIs, and storing JWT data. Developers frequently convert between Base64 and plain text.
Expert Tips for Best Results
- Select Encode or Decode mode.
- Paste text or Base64 string in the input.
- Results update in real-time.
- Supports Unicode and Thai characters.
⭐ ให้คะแนนเครื่องมือนี้
4.7
/ 5.0
25
รีวิว
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