π€ File to Base64
π Upload File
Upload any file (image, document, audio, video, etc.) and convert it to a Base64 data URI string. Everything runs locally: Base64 Data URI and other values are processed on your device, never sent to a server.
Click to select a file or drag & drop here
Any file type supported Β· Max 50MB Β· 100% client-side
How to Use the File to Base64 Converter
Encode or decode with the File to Base64 Converter in three steps:
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Enter Your Text or Data
Type or paste the text, string, or data you want to encode or decode into the input area. The tool supports standard text input and file upload for batch processing. -
Choose the Operation
Select whether you want to "Encode" or "Decode" your data, and optionally configure any algorithm-specific parameters (such as key size or hash type). -
Get the Result
The encoded or decoded output appears instantly. Click "Copy" to copy to your clipboard or "Download" to save. All computation happens on your device β Base64 Data URI, other values and other inputs stay in your browser.
β FAQ
What is a Base64 Data URI?
A Base64 Data URI encodes file content as a text string in the format data:[MIME];base64,[data]. It allows embedding files directly in HTML, CSS, or JavaScript without external references.
What is it used for?
Embed small icons, fonts or images into HTML/CSS to reduce HTTP requests; transfer binary data in APIs; store preview information in data URIs, etc.
Is my file uploaded to a server?
No. All conversion happens entirely in your browser. Your file never leaves your device β 100% private and secure.
Online Tools Β· Free Β· Safe Β· Practical