Paste a Base64 string and get the original image back.
Upload an image or paste input
Run the Base64 Decoder operation
View or copy the output
Download the result if applicable
Base64 Decoder is a developer-focused utility built for quick, reliable image workflows without dependencies. It runs entirely in the browser using standard web APIs, so you can bookmark it and use it anywhere — on a work laptop, a shared device, or even a Chromebook. No CLI to install, no npm modules, no auth key to manage.
Whether you're debugging a broken data URI, inspecting EXIF metadata from a camera to identify when and where a photo was taken, reading the colours in a UI screenshot for design QA, decoding a QR code from a bug report, or previewing an SVG before pasting it into a codebase, this tool saves you time compared to writing custom scripts. Each utility is single-purpose and does exactly one job well.
Popular use cases include: converting logos to base64 for inlining in HTML, extracting the accent colour from a screenshot to update a design token, checking a photo's GPS coordinates before publishing to make sure location data isn't leaked, pulling QR data from user-submitted images, verifying that an SVG icon renders correctly at multiple sizes, and quickly grabbing the HEX code for a specific pixel in a mock-up.
All outputs come with one-click copy buttons so you can paste directly into your editor, ticket, or documentation. Text outputs support copying to clipboard; image outputs can be downloaded or referenced by URL. Nothing is uploaded — your images and data stay on your machine — which makes this tool safe for confidential codebases, enterprise environments and any workflow bound by NDA or compliance rules.
Base64 Decoder runs entirely in the browser using standard web APIs. There are no server round-trips.
Large images may hit browser memory limits. Try under 20 MB for best performance.
Yes. All text-based outputs (Base64, HEX/RGB, metadata) have one-click copy buttons.
Yes. Nothing is uploaded to any server.