Base64 Encoder / Decoder
Convert text to or from Base64 instantly. Everything runs in your browser — no uploads, no APIs.
Result
This tool works 100% offline — all processing is done locally in your browser.
Encode or decode text, files, and data effortlessly with FreeToolConvert’s Free Online Base64 Encoder / Decoder. Our fast and secure tool allows you to convert plain text to Base64 or decode Base64 to text instantly — perfect for developers, programmers, and data engineers. With FreeToolConvert, you can encode and decode Base64 online for free, without installing any software or creating an account. It supports multiple data types, including text, JSON, HTML, and binary files. Whether you’re working with APIs, cryptography, or data storage, our Base64 Encoder & Decoder Tool provides accurate, reliable, and efficient conversion every time. Simplify your data encoding process with FreeToolConvert’s Base64 Converter — fast, safe, and easy to use.
Fast & Easy Base64 Encoder / Decoder
Paste or upload your text, files, or code snippets into the toolbox to instantly encode them to Base64 or decode Base64 back to readable format. Quick, accurate, and perfect for developers, security professionals, and data handling tasks.
Encode & Decode Data With Precision
Our Base64 Encoder / Decoder converts any input — text, JSON, images, HTML, or binary data — into clean Base64 strings. It also decodes Base64 content instantly, restoring your data to its original format with full accuracy and no corruption.
File Protection Guaranteed
Your data is safeguarded with advanced TLS encryption during encoding and decoding. Once your session is complete, all input and output files are automatically deleted from our servers within one hour to ensure complete privacy.
Encode & Decode Base64 Online No Software Needed
This tool runs entirely in your browser, allowing you to encode or decode Base64 on Windows, macOS, Linux, and mobile devices without installation. Just paste, convert, and copy instantly.
Supports Text, Images & Files
You can Base64 encode or decode:
• Text blocks
• JSON objects
• HTML & CSS snippets
• JavaScript code
• Images (JPG, PNG, SVG, GIF, etc.)
• Documents & binary data
Perfect for embedding files inline, preparing data for APIs, or processing encoded content.
Perfect for Developers & Technical Users
Use this tool for:
• Embedding images into HTML/CSS
• Handling API payloads
• Decoding Base64 email attachments
• Processing authorization headers
• Encoding files for transport or storage
• Debugging encoded content
Your encoded or decoded output is clean, readable, and ready to use.
Process Base64 in the Cloud
All encoding and decoding operations happen securely in the cloud, ensuring fast results with no load on your device. No installation, no CPU usage — just smooth, efficient conversion.
How To Encode or Decode Base64 Online
- Paste your text or upload a file.
- Click Encode to convert to Base64 or Decode to revert it.
- Copy your output or download the file.
- Done!
Base64 Encoder / Decoder FAQs
Yes — upload any file and convert it instantly.
Yes — decoding recreates the original data with 100% accuracy.
Yes — the tool can handle large text blocks and file uploads.
Absolutely. All files and text are encrypted and auto-deleted after one hour.
Yes — it works in any modern browser with no installation.
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Yes! Encode or decode unlimited data for free with no watermarks or limits.
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