base64 encoder/decoder
base64 magic ✨
encode anything to base64 or decode it back. perfect for apis, data urls & more!
what do you wanna do?
encoding type
input (text/file)
drag & drop or
max 10mb • images, text, anything!
common uses
Email Attachments
Embed files directly in email content
Data URLs
Inline images in HTML/CSS
API Communication
Send binary data as text in JSON
Basic Authentication
Encode credentials for HTTP headers
pro tips
Base64 increases data size by approximately 33%
URL-safe Base64 replaces +/ with -_ and removes padding
MIME Base64 wraps lines at 76 characters
Base64 is encoding, not encryption - never use for security
Maximum URL length is ~2000 characters in most browsers