Base64 Decoder
Decode Base64 strings back to readable text or download decoded files, all locally and free.
How it works
- 1
Paste your input
Type or paste your data into Base64 Decoder.
- 2
Adjust options
Tweak the available settings — the output updates as you type.
- 3
Copy the result
Copy the output to your clipboard or download it as a file.
Common uses
- Decode a Base64 string back to readable text.
- Recover a file embedded as Base64 in a response.
- Inspect the contents of a data URL.
About the Base64 Decoder
Decode Base64 strings back to readable text or download decoded files, all locally and free.
Base64 Decoder is part of a free, privacy-first toolkit. Everything is computed instantly on the client, so your data never leaves the page — useful when you're working with sensitive payloads.
Because base64 decoder works without any sign-up or installation, you can use it as often as you like and it's always available — on desktop or mobile, and even offline.
Explore more developer tools, or try JSON Formatter · JSON Validator.
Related tools
Related guides
Base64 Decoder — FAQ
Yes. It accepts standard and URL-safe Base64 (with - and _) and adds any missing padding automatically.