Base64 decoder
Free online Base64 decoder. Paste any Base64 string and reveal the original text instantly — inspect data URIs, API payloads and encoded tokens safely.
Free Base64 Decoder — Convert Base64 Back to Readable Text
Paste any Base64 string — from a data URI, API response, JWT segment or log file — and instantly see the original text it encodes. An essential companion for debugging APIs and inspecting encoded payloads.
Decoding happens locally in your browser, so sensitive tokens never travel anywhere.
How to use this tool
- Paste the Base64 string you want to inspect.
- The decoded text appears instantly below.
- Copy the result or continue debugging.
Why use it on Shortlys?
- Handles data URIs, JWTs and standard Base64 alike
- Local decoding — private by design
- Free, unlimited, no sign-up
Frequently asked questions
Is the Base64 decoder really free?
Yes. The tool is completely free with no usage limits and no hidden upgrades — part of the free online toolkit on Shortlys.
Do I need to create an account?
No registration is required. Open the page, use the tool, copy your result — signing up is only needed if you want to manage bio links or shortened URLs.
Does it work on mobile?
Yes. The page works in any modern browser on phones, tablets and desktops, with no app to install.
Looking for more? Shortlys also offers 126+ free online tools, URL shortening and bio link pages — all in one place.
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