WizzyTools

Apply image filters online for free

Works offline · never uploaded 0 uses

Adjust brightness, contrast, and saturation, or apply grayscale, sepia, and invert filters, right in your browser.

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How it works

  1. 1

    Upload the image you want to edit (JPG, PNG, or WebP).

  2. 2

    Adjust the settings — size, angle, crop area, filter, or watermark text.

  3. 3

    Preview the result live as you adjust.

  4. 4

    Download the edited image.

Why use this tool

Every image task, one place

Resize, compress, convert, crop, rotate, filter, and watermark — no need for a heavyweight photo editor.

100% private, always

Every tool runs entirely in your browser using the canvas API — your images are never uploaded to a server.

Works on any device

Runs in the browser on Windows, Mac, Linux, iOS, and Android — nothing to install, nothing to trust but the tab.

Instant results

No queues and no desktop app to wait on — edits and conversions finish the moment you make them.

Convert to any format

Move between JPG, PNG, WebP, and ICO — output stays sharp, with quality settings when you need control.

Free, always

Every tool here is free to use, with no watermarks, size limits, or forced trial period.

Frequently asked questions

Yes, you can apply a base color filter (like sepia) and simultaneously adjust the brightness, contrast, and saturation sliders.

They provide similar baseline adjustments using standard CSS matrix mathematics, perfect for quick stylistic tweaks.

Currently, adjustments are applied live per session and cannot be saved as reusable templates.

No, pixel dimensions remain identical; only the color values of the individual pixels are mathematically shifted.

No, fully transparent pixels remain untouched; the adjustments only affect the visible color data.

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