Online Base64 Decoder
Need Custom Conversion?Decode Base64 strings to plain text in your browser. No coding required. Convert Base64 encoded strings.
Why teams use this Base64 Decoder page
Decode Base64 strings to plain text in your browser. No coding required. Convert Base64 encoded strings.
Matches this URL
Copy and controls align with /base64-decoder so bookmarks reopen the same workflow.
Preview before download
Catch formatting issues while the file is still in the tab.
Browser-first
No installer on locked-down laptops—open, run, save.
Private when local
Sensitive drafts stay on-device on routes that process locally.