🔤 Base64 File Encoder & Decoder
Turn any file into a Base64 string or a ready-to-use data: URI, or paste a Base64 string / data URI back into a downloadable file. Runs entirely in your browser — files are never uploaded.
File → Base64
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Click to choose, or drag & drop any file
Output updates below.
Base64 → File
Paste a full data:type/subtype;base64,... URI (the type is detected automatically), or raw Base64 — then set a filename/type yourself below.
Ignored if the pasted string is a data URI that already declares one.