Free Base64 to Image Decoder - Web Dev Tools
Convert Base64 to Image Free — Decode Any Base64 String Back to a Photo
When you receive a base64-encoded image string from an API, a database, or code output, this tool converts it back into a viewable, downloadable image file. Our free Base64 to image converter decodes any base64 string to JPG, PNG, or WebP in your browser — no upload, no server required.
When You Need to Decode Base64
API response debugging: REST APIs and GraphQL endpoints often return image data as base64 in JSON responses. Paste the string here to see what the image looks like. Database export: Images stored as base64 BLOBs in a database need decoding to view or save as files. Email HTML inspection: Email templates sometimes contain base64-encoded inline images that need extraction. Development and testing: Verifying that an image encoding/decoding pipeline produces correct output.
How to Use It
Paste the base64 string directly into the input field. The string may start with a data URI prefix like data:image/png;base64, — include it or paste the raw base64 string without the prefix; both work. Click decode to preview the image and download it as a file.
Private and Free
Decoding runs locally in your browser. Your base64 string is never sent to any server. No account, no watermarks.
Frequently Asked Questions
How do I decode a base64 image from an API JSON response?
Copy the value of the base64 field from the JSON response and paste it into this tool. If the string starts with 'data:image/jpeg;base64,' include that prefix — it helps the tool identify the format. Click decode to view and download the image.
What image formats can this decode?
Any base64-encoded image format: JPG, PNG, WebP, GIF, BMP, and SVG. The tool detects the format from the data URI prefix or tries to infer it from the encoded data.
Does the base64 string need to include the data URI prefix?
No — both formats work. You can paste the full data URI including 'data:image/png;base64,' or just the raw base64 string without the prefix.