Image tool

Base64 Image Converter

Convert Base64 strings and image files in either direction.

Updated Sep 2026Browser-based processing
Base64 ↔ image converterPreview encoded images or convert an image file to Base64.
PNG · JPG · GIF · WebP

Converts original image bytes without resizing or recompression. Input and files are not uploaded.

Image preview

Your image and file details appear here after conversion.

Complete guide

How to use Base64 Image Converter

When to use it

Preview Base64 images from API responses or HTML and save them in their original format. Convert PNG, JPG, GIF or WebP files to Base64 or data URIs, then copy or save the text.

01

Three-step workflow

  1. 1

    Choose Base64 to image or image to Base64.

  2. 2

    Paste encoded image data, or select a PNG, JPG, GIF or WebP file up to 10 MB.

  3. 3

    Check the preview and dimensions, then save the image or copy/download the Base64 text.

02

What to enter and check

Primary inputBase64 string or image file

Choose Base64 to image or image to Base64.

Settings and optionsChoose the right conditions

Decoding accepts raw Base64 or a data:image/...;base64, prefix. Encoding can include or omit the data URI prefix. Images are limited to 10 MB and 40 megapixels. SVG and URL-safe Base64 are not supported.

Result to reviewImage preview and encoded text

Results show dimensions, MIME type and byte count. Conversion preserves original image bytes without resizing or recompression. Corrupt strings or MIME mismatches report an error. Base64 is not encryption, and its text representation is normally larger than the original binary.

03
Practical example

Paste an image field from an API response to check whether it contains the expected picture. Alternatively, encode a small logo when a document needs a data URI. Save the output as TXT when clipboard limits prevent copying a long string.

04
How to read the result

Results show dimensions, MIME type and byte count. Conversion preserves original image bytes without resizing or recompression. Corrupt strings or MIME mismatches report an error. Base64 is not encryption, and its text representation is normally larger than the original binary.

05

Before you use the result

  • Images up to 10 MB and 40 megapixels. SVG is not supported.
  • Converts original bytes without resizing or recompression.
06

Frequently asked questions

How should I read the Base64 Image Converter result?+

Results show dimensions, MIME type and byte count. Conversion preserves original image bytes without resizing or recompression. Corrupt strings or MIME mismatches report an error. Base64 is not encryption, and its text representation is normally larger than the original binary.

What should I check for a more accurate Base64 Image Converter result?+

Decoding accepts raw Base64 or a data:image/...;base64, prefix. Encoding can include or omit the data URI prefix. Images are limited to 10 MB and 40 megapixels. SVG and URL-safe Base64 are not supported. Images up to 10 MB and 40 megapixels. SVG is not supported.

Is my input uploaded or stored?+

No. This tool processes input in your current browser, and Baro Tool does not store the source content or result on its server.