Pick or drop a file and get its Base64, the ready-to-paste data: URI, and CSS/ snippets for images — with a live preview and MIME detection you can override. Or paste Base64/a data: URI to preview and download the decoded file.
Privacy ledger
Data acquired
None.
Libraries used
Lit 3 — bundled into the tool file itself.
Data stored
None.
Data transmitted
None.
Use it on your own page
Download the tool as a single self-contained HTML file: readable source with the Lit library included, zero network requests — it works opened straight from your disk, and you can customize everything.