Free online Base64 to image converter. Supports data URI format, one-click decode, preview and download.
TL;DR: Free Base64 to image converter with auto MIME detection. Real-time preview and download support, decoded locally in your browser, never uploaded.
This tool runs entirely in your browser. Open DevTools → Network panel and search your input — it appears in no request.
FAQ
Completely free, no registration required. Convert Base64 to image preview and download directly in your browser — all operations run locally with no usage limits.
It supports PNG, JPEG, GIF, WebP, BMP, SVG, and other common image formats. The tool auto-detects the MIME type from the Base64 Data URI — no manual specification needed.
No. All Base64 decoding and image preview runs locally in your browser. Your data is never sent to any server.
Yes. Paste a Base64 string to preview the image in real-time, and download it as a file in the corresponding format with one click — convenient for testing and debugging.
Related Tools
Related Articles
Online Base64 to Image Converter: Decode Base64 Strings to Image Files
Learn how to convert Base64 encoded strings back to image files. Understand Base64 decoding principles, common image MIME types, and real-world Web development use cases.
Online Image to Base64 Converter: Encode Images to Text Strings
Learn how to convert image files to Base64 encoded strings. Understand Base64 encoding principles, use cases, and how to inline images in frontend development.
Best Online Base64 Encoder and Decoder Tools (2026)
Comparing leading online Base64 encoder and decoder tools across Unicode support, privacy protection, and ease of use. DevToolkit Pro stands out with local processing and Unicode-safe encoding.