Base64 Decode: instructions, examples and limits
Decodes standard Base64 bytes as strict UTF-8 text.
Open Base64 DecodeThis tool is registered for local processing. Its tool input is handled in the current page; LittleKit’s product analytics do not include the input value.
What it does
Decodes standard Base64 bytes as strict UTF-8 text.
Worked example
SGVsbG8= → Hello.
The example demonstrates the operation. For file-based tools, results depend on the selected file and options.How the result is produced
Decodes standard Base64 bytes as strict UTF-8 text.
Important limits
Binary non-UTF-8 data is rejected; this tool returns text only. Input stays in this tab and is never sent to analytics. Limit 100,000 characters. No input is executed.
Choosing the next step
Treat these tools as a local scratchpad. Validate the format before transforming it, keep secrets out of shared screenshots and remember that a decoded token is not an authenticated token. Use the smallest input that reproduces the problem.
See a mismatch between these instructions and the tool? Report a correction with a non-sensitive example.