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

Batch-convert images between PNG, JPG and WebP with adjustable quality. Transparent PNGs get a white background when converted to JPG. Everything runs in your browser.

Files never leave your browser

How to use

  1. Upload or drag in one or more images

  2. Choose the target format (JPG, PNG or WebP) and quality

  3. Hit Convert, then download each result

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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.