Base64 to Hex Converter: View Decoded Bytes in Hex
The Base64 to Hex converter decodes Base64 input and displays the resulting bytes as hexadecimal. Use it to inspect binary data, such as an image, a key, or a serialized structure, when the decoded content is not readable text. Configure separators and letter case to format the hex output; the decoded byte values stay the same.
The Base64 to Hex converter turns Base64 input into a hexadecimal view of the decoded bytes. It is useful when a Base64 value represents binary data rather than readable text, such as an image, a key, or a serialized structure. Instead of trying to read binary content as text, you can inspect the byte values in hex.
The conversion decodes the Base64 input into bytes and represents those bytes in hexadecimal. You can configure whether separators appear in the output and whether hexadecimal letters use upper or lower case. These options change the presentation of the result, not the decoded byte values.
Base64 and hexadecimal are different ways to represent data. Base64 encodes bytes using a text-friendly representation, while hex expresses byte values using hexadecimal digits. Converting between them is helpful when a system expects hex, or when you want to examine the bytes behind a Base64 value.
The conversion runs entirely in your browser. Your input is processed on your device and is not uploaded, stored, or sent to a server; after the page has loaded, the tool also works offline. This makes it convenient to inspect data without sending it elsewhere.
Developers and DevOps engineers can use the converter when working with binary values, preparing snippets for documentation, or moving data between tools that expect different representations. It is also useful for anyone who needs a clear view of the bytes contained in Base64 input.
Step 1: Paste your Base64 input into the converter. The tool expects Base64 and displays the decoded bytes as hexadecimal.
Step 2: Adjust the output options if needed. You can configure separators and the letter case used for hexadecimal digits.
Step 3: Review the hexadecimal result. It represents the decoded bytes, even when those bytes are not readable as text.
Step 4: Copy the result for your next step. Use it in code, documentation, or a system that accepts hexadecimal.
Use case: Move Base64 data into a system that accepts hexadecimal instead. Convert the value to the representation that system expects.
Use case: Check whether a hexadecimal value matches a Base64 original. Viewing both as byte representations helps you compare the data.
Use case: Prepare Base64 snippets for documentation, a ticket, or a commit message. A hex representation can make the underlying byte values easier to inspect.
Use case: Sanity-check a conversion before pasting the result into code. Review the output and choose separators and letter case that suit your needs.
Use case: Inspect Base64 data that represents an image, a key, or a serialized structure. Hex shows the decoded byte values when they are not readable text.
Use case: Convert a Base64 value before handing it to a tool or workflow that requires hexadecimal input. Copy the resulting hex representation where it is needed.