Base64 Tools
Base64 Workbench
Encode or decode Base64 strings and data URIs.
Base64 Workbench
Encode, decode, and inspect Base64 payloads
Upload files or paste strings, add Data URI prefixes, wrap lines, and inspect payload sizes without leaving the browser.
Mode
Input source
Pro tip: Use Data URI mode to quickly embed assets into CSS/HTML, or disable it to keep raw Base64. The workbench preserves history until you reset, so you can tweak wrapping or MIME settings without re-uploading files.
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