Tools
Tool category

Images and colour

Compress, convert and resize images without uploading them anywhere, and move colours between the notations a stylesheet needs.

13 toolsSorted by the GitHub stars of each tool's open-source project · snapshot Sep 16, 2026
#01

Image format converter

Convert between PNG, JPEG and WebP in your browser.

25.9KRuns in your browser
#02

SVG optimizer

Shrink SVG files with SVGO — strip editor metadata, round coordinates, merge paths — and preview the result before downloading.

22.7KRuns in your browser
#03

Color palette extractor

Pull the dominant colour and a palette of up to 16 colours out of any image, as HEX, RGB and HSL.

13.6KRuns in your browser
#04

QR code generator

Make a QR code from a URL or text, with the error correction, size and colours you need, as PNG and SVG.

8.2KRuns in your browser
#05

Barcode generator (Code 128, EAN-13, UPC)

Generate Code 128, EAN-13, EAN-8, UPC-A, Code 39 and ITF-14 barcodes as scalable SVG.

5.9KRuns in your browser
#06

Image compressor

Make a photo smaller without uploading it anywhere.

5.8KRuns in your browser
#07

Image to Base64

Turn an image into a data URL you can paste into CSS or HTML.

4.4KRuns in your browser
#08

Image resizer

Scale an image to an exact width, in the page.

4.2KRuns in your browser
#09

QR code reader from image

Decode a QR code from a screenshot or photo, without pointing a phone at your own screen.

4KRuns in your browser
#10

SVG to PNG converter

Rasterise SVG icons and illustrations to PNG at 1× to 4× or an exact width, with a transparent or white background.

3.8KRuns in your browser
#11

EXIF viewer and metadata remover

See every EXIF, GPS, IPTC and XMP field hidden in a photo, and save a copy with all of it removed.

1.2KRuns in your browser
#12

Favicon generator (ICO, Apple touch icon, manifest)

Make favicon.ico, the Apple touch icon, Android icons and site.webmanifest from one image.

1.2KRuns in your browser
#13

Colour converter and contrast checker

Convert between HEX, RGB, HSL, HWB and OKLCH, and check contrast.

824Runs in your browser