HIMX Technology
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Image Cropper

Drag the selection box to crop, free-form or locked to 1:1, 4:3, 16:9 and more — great for social media avatars and posts. Everything runs in your browser.

Files never leave your browser

How to use

  1. Upload or drag in an image

  2. Drag the crop box to position and size it, or lock an aspect ratio

  3. Hit Crop & download to save the result

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Compress JPG and PNG images online — much smaller, still sharp.

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Image Format Converter (PNG · JPG · WebP)
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Image Format Converter (PNG · JPG · WebP)

Convert between PNG, JPG and WebP in batch with quality control.

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Image Resizer
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Image Resizer

Resize images by width, height or percentage — ratio kept automatically.

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Image Color Picker (HEX · RGB · HSL)
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Image Color Picker (HEX · RGB · HSL)

Click any pixel to read HEX, RGB and HSL plus a dominant palette.

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Favicon Generator
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Favicon Generator

Turn one image into favicon.ico, Apple Touch Icon and PWA icons.

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An HIMX developer talking face-to-face with a client at a work table in a bright studio, with a laptop and wireframes between them and Hong Kong buildings through the window

Need more than a tool?

Want a custom tool or system built for your business?

From websites and apps to automation systems — HIMX builds for Hong Kong businesses. Free consultation, reply within one working day.

Free consultation

Free to ask, no obligation — your details are only used to reply.

What happens next

  1. We usually reply within one business day

    A real person — the one who'll actually run your project, not an autoresponder.

  2. A free scoping conversation

    Online or in person, we map your goals, scope and timeline together. No pressure.

  3. A clear plan and fixed quote

    Scope, tech choices, timeline and a fixed price. No hidden fees.