HIMX Technology
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PDF Compressor

Shrink PDF file size by recompressing the embedded images — most effective on scanned documents and photo-heavy PDFs. Files never leave your browser.

Files never leave your browser

How to use

  1. Upload or drag in a PDF file

  2. Pick a compression level (strong, balanced or high quality)

  3. Hit Compress, compare the before/after size and download

More free tools

Free PDF Merger
In-browser

Free PDF Merger

Combine multiple PDFs into one, reorder freely — all in your browser.

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Images to PDF (JPG / PNG to PDF)
In-browser

Images to PDF (JPG / PNG to PDF)

Combine JPG and PNG images into a single PDF file.

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PDF Rotation Tool
In-browser

PDF Rotation Tool

Rotate the whole PDF or selected pages by 90° or 180°.

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PDF Page Remover
In-browser

PDF Page Remover

Type page numbers to remove unwanted pages from a PDF.

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PDF Watermark Tool
In-browser

PDF Watermark Tool

Stamp every page with a text watermark — Chinese and English supported.

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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.