Black and white image
Turn a photo black and white, or apply sepia and tone adjustments — locally, no upload.
Make images black and white in your browser
Converting a photo to black and white removes colour to focus on light, shape and texture — great for a timeless portrait, a clean product shot or a moody scene. This tool applies a true grayscale and lets you fine-tune brightness and contrast, plus sepia and invert if you want a different mood.
All the processing runs on the canvas in your browser, so nothing is uploaded and the preview updates live as you adjust. When it looks right, download the result — there is no limit and no watermark.
For a punchy black-and-white look, raise the contrast a little after removing colour; for a soft, vintage feel, try sepia instead. Export as JPG for a small shareable file or PNG to keep it lossless.
Privacy by design
All processing happens inside your browser. Your files never reach a server — there is nothing to store, transmit or share.
Learn more in our privacy policyBatch & bulk: process multiple images at once
Load not just one image but as many as you like — by drag & drop or multiple-select. imagenimble processes them one after another, locally in your browser, and packages the results as a single ZIP download. No upload, no account and no fixed limit — only your device’s memory caps very large batches. It is the quick way to convert or edit a whole folder in one go.
Frequently asked questions
Yes — colour is fully removed, not just desaturated, for a clean black-and-white result. You can still fine-tune brightness and contrast.
Yes — alongside black and white you can apply a sepia tone or invert the colours.
No — every filter runs in your browser; nothing leaves your device.
JPG for a smaller file or PNG for lossless; the result has no watermark.