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Base64 Decoder
Decode Base64 strings back into readable text.
Decoded text
Decoded result appears here.
Need the reverse? Open Base64 Encoder
Frequently Asked Questions
What is Base64 Decoder?
Base64 Decoder is a free browser-based tool on Neemtools. Use it instantly with no install or account required.
What if my Base64 string is invalid?
The decoder will show an error. Check for missing padding, truncated input, or non-Base64 characters.
Is Base64 Decoder free to use?
Yes. All Neemtools utilities are free to use with no signup required.
Is my data uploaded when I use Base64 Decoder?
For most tools, processing happens in your browser and your input is not stored on our servers. A few tools may fetch live URLs when that feature requires external data — each tool page explains what applies.
Do I need an account to use Base64 Decoder?
No account is required. Open the tool and start using it immediately.