Choose or drop a raster image to preview its dimensions and create Base64 text or a Data URL without uploading the file.
BROWSER-ONLY IMAGE ENCODING
Preview and encode a raster image into Base64 or a Data URL. No file uploads or external APIs.
Drop an image here or choose a file
One JPG, PNG, WebP or GIF · Up to 4 MB · Up to 8,000 px per side / 16 million pixels.
Your image stays in your browser. Base64 may be larger than the original file.
Choose a valid raster image or paste image Base64; nothing is uploaded.
Review the verified image and choose a quality setting when converting to WebP.
Copy or download your browser-generated result after checking details.
Choose a JPG, PNG, WebP or GIF up to 4 MB, review the preview and size, then copy Base64 or the Data URL, or download both in a TXT file.
Browser-only FileReader encoding, checked raster format and decoded dimensions, original and encoded size details, clipboard and TXT export.
Images are read and encoded only in your browser. They are never sent to Nimzoa or another service.
Base64 is the encoded image bytes; a Data URL adds a data:image/...;base64, prefix that identifies the image format.
JPG/JPEG, PNG, WebP and GIF files with matching headers and MIME types, up to the displayed browser limit.
No. Encoding and preview validation run entirely in your browser.
Base64 typically uses about four text characters per three source bytes. A Data URL adds a small MIME prefix.
Yes. Copy Base64 or the Data URL separately, or download a TXT containing both.
No. Only four supported raster signatures are decoded; SVG and HTML are not accepted by this tool.