What does Image to Base64 do?
Image to Base64 is a free online tool that can convert image to Base64 encoded text (data URI). The TXT result from Image to Base64 is a separate copy to inspect before you use it elsewhere. One possible use is small owned icons embedded in a prototype.
Image to Base64 encodes the sent file into a text data URI. It is useful for a self-contained prototype or a system that expects image bytes as text rather than as a separate attachment.
The output begins with a data-image prefix followed by Base64 data. Encoding is not encryption and usually increases the number of characters needed to represent the source.
Review the MIME prefix before using it in code, because the tool derives it from the filename extension. A data URI combines a media label with encoded bytes.
Base64 is a text encoding for bytes. It is readable by any system that knows that encoding.
It does not hide the picture from a reader. Test a small source first, since the added text can make a page harder to transfer.
Encode an image as a data URI online: steps
Before using Image to Base64, decide what the new copy must contain and where it will be used. Choose an image small enough for the planned embedding context and check its actual media type. Review the upload area and all values required by the current Image to Base64 form.
Choose the source
Test the media label in the receiving code example. For Image to Base64, choose one source from your device. Keep a source copy for another attempt.
Review the form values
The Image to Base64 form has no extra task settings. Check the source in the file area.
Run the file task
Use Process Image to Base64 after checking the source and form values. Wait for the job to finish. An error means this attempt failed.
Save and check the output
Test the data URI in the receiving app, checking the MIME prefix and whether line breaks need cleanup. Store the output on your device. Name this copy separately from the original.
Data URI: uses for Image to Base64
Image to Base64 can help with image bytes supplied to a text-only interface. It can also be used for self-contained examples prepared for testing. The TXT result from Image to Base64 must suit the intended reading or editing step, so keep the source until that check is complete.
- Small owned icons embedded in a prototype.
- Image bytes supplied to a text-only interface.
- Self-contained examples prepared for testing.
- Data URI format support checked before integration.
Formats and limits for Image to Base64
The Image to Base64 form accepts the image formats in the table sources. Each Image to Base64 upload can be up to 300 MB, which equals 300 MiB. The allowed suffixes on the Image to Base64 page do not prove that a source has valid content inside it.
| Accepted formats | Maximum file size | Output |
|---|---|---|
| JPG, JPEG, PNG, WEBP, GIF, SVG | 300 MB per file (300 MiB upload limit) | TXT |
Extension-derived types such as jpg or svg may need correction to a standard MIME value. Large embedded images can make files or pages inefficient.
How this tool works
Image to Base64 uses server-side file and encoding utilities to handle the source on the server. The Image to Base64 request uses your chosen input rather than any local editing project left on your device. Check the TXT contents produced by Image to Base64 before treating them as ready for another app or reader.
For Image to Base64, your browser uploads the source to our file-processing server. This is a server task, not local editing.
Files are due for deletion within 1 hour. Cleanup runs during normal service operation. Keep a local download for future use.
Image to Base64 questions and answers
If Image to Base64 gives an unexpected result, start by checking the source type and the values used in the form. Check the TXT contents from Image to Base64 as well as the filename or displayed message. For another result type, compare Image to Base64 with the separate tools described in these answers.
What matters when using Image to Base64?
Check whether extra line breaks affect the embedded image. View that area at its intended display size. Note any differences that affect your purpose.
Why try Resize Image?
Resize Image offers another task beside Image to Base64: fit an image within width and height bounds while preserving proportions. Resize Image returns PNG. The stated TXT output from Image to Base64 is not a listed input type for Resize Image.
Why try Compress Image?
Compress Image offers another task beside Image to Base64: reduce image file size by adjusting quality. Compress Image returns JPG. The stated TXT output from Image to Base64 is not a listed input type for Compress Image.
Why try Convert to PNG?
Convert to PNG offers another task beside Image to Base64: convert images to PNG format. Convert to PNG returns PNG. The stated TXT output from Image to Base64 is not a listed input type for Convert to PNG.
What if my TXT result does not open?
For a failed Image to Base64 result, first confirm that the download completed and that the viewer supports TXT. Try another local viewer for that format.
Record any error message for support. Keep private source material out of the report.
How do I report a problem with Image to Base64?
Contact support with the Image to Base64 page name, source format and the error you saw. Mention any relevant form settings you chose. Do not send passwords or private attachments.