Base64 File Converter - Image/PDF/Excel Conversion

File to Base64:

1. Click "Choose File" button or drag and drop a file to the upload area
2. Select the file you want to convert (images, PDF, Excel, etc.)
3. Base64 encoded result will automatically appear in the output box
4. Copy the Base64 string or download it as a text file

Base64 to File:

1. Paste your Base64 string in the input box
2. Supports both full format with data: prefix or pure Base64 data
3. Click "Convert to File" button
4. Preview the converted file (images and PDFs support online preview)
5. Click "Download File" to save it locally

Supported File Formats:

File Type	MIME Type Examples	File Extensions
Images	image/png, image/jpeg, image/gif, image/webp, image/svg+xml, image/bmp, image/tiff, image/x-icon	.png, .jpg, .gif, .webp, .svg, .bmp, .tiff, .ico
Documents	application/pdf, application/msword, application/vnd.openxmlformats-officedocument.*	.pdf, .doc, .docx, .xls, .xlsx, .ppt, .pptx
Text	text/plain, text/html, text/css, text/javascript, application/json, application/xml, text/csv	.txt, .html, .css, .js, .json, .xml, .csv
Archives	application/zip, application/x-zip-compressed, application/x-rar-compressed, application/x-7z-compressed, application/x-tar, application/gzip	.zip, .rar, .7z, .tar, .gz
Audio	audio/mpeg, audio/wav, audio/ogg, audio/mp4	.mp3, .wav, .ogg, .m4a
Video	video/mp4, video/mpeg, video/quicktime, video/x-msvideo, video/webm	.mp4, .mpeg, .mov, .avi, .webm
Other	application/octet-stream (unrecognized types)	.bin (binary file)

Privacy & Security:

All conversions are performed locally in your browser. Files are never uploaded to any server, ensuring complete privacy and security.