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BASE64 to IMAGE Converter

Updated 2026-09-13 · DocsAll Guides

Quick answer: Decode Base64 strings (or full data URIs) back into image files — locally. Open BASE64 转 IMAGE — everything runs locally in your browser, and files never leave your device.

Steps

  1. Paste the Base64 string or complete data URI into the tool.
  2. Preview the decoded image.
  3. Download the file.

Important notes

  • Both bare encodings and data:image/png;base64,... URIs are accepted; if a bare string decodes wrong, try adding the correct prefix.
  • Local decoding — verification codes and ID images never leave the device.

Common questions

Decode fails — why? Stray whitespace/newlines, or you are actually looking at URL-encoded data.

Reverse direction? Use Image to Base64.

When to use this

When previewing fails, the encoding is usually truncated at copy time — compare the tail of the string with the source before troubleshooting further.

PDF Essentials

Standard ways to merge, split, compress and extract PDF pages — with free in-browser tools.