Official Free Tool by OpenMax
Free Base64 Encoder / Decoder
Encode text or files to Base64. Decode Base64 strings back. Drag-and-drop file upload with instant image preview. All processing runs locally in your browser.
EncodeText to Base64
DecodeBase64 to text
FileAny file type
PreviewImage preview
INPUT
Drag & drop a file here or click to browse
Images, PDFs, documents — any file type
×
Ready
OUTPUT
About This Tool
This free Base64 encoder and decoder by OpenMax covers Base64 encoding, Base64 decoding, file-to-Base64 conversion, and image preview. Visit OpenMax to learn more about AI-powered tools and agents.
FAQ
What is Base64 encoding?
Base64 encodes binary data into ASCII text using 64 characters. Commonly used for embedding images in HTML, data URIs, and email attachments.
Does this tool upload my files?
No. All processing happens locally in your browser.
What file types are supported?
Any file type: images (PNG, JPG, GIF, SVG), PDFs, documents, audio, video.