Softonic

Image Sepia Filter

Step 1 / 3 Intensity

Original sepia was a silver halide photographic print toned with sepia (cuttlefish ink) to resist fading, the warm brown tint is synonymous with late-19th-century photography. This digital filter applies the classic Microsoft/Adobe sepia colour matrix, with an intensity slider so you can go from subtle warm-up to full 1890s postcard.

How to apply sepia

  1. 1

    Upload an image

    JPG, PNG or WebP.

  2. 2

    Adjust intensity

    0-100; 30% is subtle warmth, 100% is full vintage.

  3. 3

    Optional: add grain

    Pair with film grain for authentic aged-photo feel.

  4. 4

    Export

    Save as JPG or PNG; the filter is one-pass so no double compression.

The sepia colour matrix

The classic sepia transform is a simple linear colour matrix applied per pixel.

The matrix

R' = 0.393 R + 0.769 G + 0.189 B
G' = 0.349 R + 0.686 G + 0.168 B
B' = 0.272 R + 0.534 G + 0.131 B

Output values are clamped to 0-255. Intensity is applied by blending the sepia result with the original at percent weight.

What sepia does visually

  • Desaturates the image (pushes it toward grayscale).
  • Tints the grayscale warm (dark orange / brown).
  • Compresses dynamic range slightly, very bright and very dark pixels both move toward mid-brown.

Combining with other filters

A convincing vintage photo usually needs more than sepia alone:

  • Soft vignette at corner intensity 30% mimics old lens fall-off.
  • Film grain at intensity 15-20% matches the emulsion texture.
  • Slight blur on highlights (Gaussian 1-2 px) removes the digital sharpness.
  • Edge desaturation makes the centre pop against warmer edges.

Alternatives to sepia

For a similar “warm vintage” feel with more variety:

  • Cyanotype (blue toner): swap the colour matrix to a blue bias.
  • Platinum print: very low contrast, neutral warm.
  • Selenium toned: subtler, slight eggplant purple in the blacks.

The tool’s “vintage” mode offers these alternatives beyond straight sepia.

Frequently Asked Questions

Only visually. Chemical sepia toning replaces silver with silver sulphide in the print, which is why those prints resist fading for over a century. Digital sepia is a colour transform applied to the file and does not carry the archival benefit.

Low-contrast or cool-toned source images give sepia less to work with. Increase contrast and warmth before applying, or push intensity past 80% for a more saturated result.

Yes, use the selection rectangle to define a region. Useful for a vintage feel on one subject while keeping the rest in colour, or for matching a newly-inserted element to an old-photo background.

Slightly. Sepia reduces saturation, which JPG compresses marginally more efficiently. The file size difference is usually within a few percent of the colour original.

Related Tools

Image Resizer

Resize images to pixel-exact dimensions or percentages while preserving aspect ratio. Batch-friendly, no upload.

Material Design Color Picker

Browse the Material Design color palette. Copy any shade (50 through A700) as HEX, RGB or HSL with one tap.

QR Code Generator

Generate a browser-local QR code from a plain text or URL payload. Adjust size, colours and error correction, then download PNG.

Barcode Generator

Create a 1D barcode in your browser in Code 128, EAN, UPC, ITF-14 and other supported formats. Download the rendered result as SVG or PNG.

Meme Generator

Add fixed top and bottom captions to a JPG, PNG, or WebP image in your browser. Set font, size, colors, and stroke, then download a PNG.

Tier List Maker

Create a private tier list with text and local images. Customize rows, rank by drag or keyboard, recover locally, and export JSON, PNG or SVG.

Tool available in other languages