Local RAM Engine Active
Files Queued0
Original0 B
Compressed0 B
MB Saved0 B
Saved0.0%

compress pdf

Compress PDF to 100KB

Shrink a PDF to 100KB or less in your browser using DPI presets and grayscale. No uploads, no accounts.

Preset: 72 DPI · grayscale · vector text locked

Queue is empty

Drop files above to start the local RAM engine.

01 / How it works

Step-by-step guide

  1. 1

    Drop the PDF you need to shrink to 100KB into the dropzone above.

  2. 2

    The preset is pre-set to 72 DPI with grayscale for the smallest output.

  3. 3

    Each page is rasterized at that resolution and rebuilt into a compact PDF.

  4. 4

    Download the 100KB result, or bundle several PDFs into a ZIP.

02 / Technical comparison

Local engine vs. cloud tools

AspectShrinkAndMergeCloud tools
Preset72 DPI · grayscaleFixed presets only
RebuildRasterized compact PDFOpaque re-encode
PrivacyPDF never leaves devicePDF uploaded
AccountsNone requiredOften required

03 / Frequently asked

Questions about compress pdf