Name: Convert PUB to PPM
Brand: XConvert

CONVERT

IMAGE_EXTENSIONS_GROUP_PPM

Conversion Quality

`Higher DPI settings improve image quality but increase processing time. <b>300 DPI</b> is the recommended balance between high-quality output and processing speed for most documents.`

72 DPI (Web / Smallest File)

96 DPI (Standard Screen)

150 DPI (Balanced / Medium)

200 DPI (Office Standard)

300 DPI (High Quality / Print Recommended)

400 DPI (Small Text / OCR)

600 DPI (Ultra High / Archival)

1200 DPI (Maximum Detail / Fine Art)

Image Compression

`<div class="d-flex align-items-center">    <i class="bi bi-exclamation-triangle-fill fs-4 me-3 text-warning"></i>    <div>        <strong>Potential Quality Loss:</strong>         Targeting a <b>File Size (%)</b> while changing formats (e.g., JPG to PNG) can cause extreme pixelation.         <hr class="my-2">        <p class="mb-0 small">            <strong>Pro Tip:</strong> To avoid this, use <b>"Specific file size"</b> or switch to the <a href="/image-compressor" class="alert-link">Image Compressor</a> with output set to <b>"Same as source".</b>        </p>    </div></div>`

`<div class="d-flex align-items-center">    <i class="bi bi-exclamation-triangle-fill fs-4 me-3 text-warning"></i>    <div>        <strong>Potential Quality Loss:</strong>         Targeting a <b>File Size (%)</b> while changing formats (e.g., JPG to PNG) can cause extreme pixelation.         <hr class="my-2">        <p class="mb-0 small">            <strong>Pro Tip:</strong> To avoid this, use <b>"Specific file size"</b> or change the <b>Image File Extension</b> to same extension or <b>"Same as source".</b>        </p>    </div></div>`

Quality Preset

Quality preset

Target file size (%) (Best)

File size (%)

Auto Scale

Specific file size

File size

Image Quality (%)

Quality Percentage

Drop Frames

`
                    <div>
                        <strong>Frame dropping</strong> is the most effective way to compress an already optimized GIF.
                        <br><br>
                        A smooth GIF typically runs at <strong>10–15 FPS</strong>. If your file’s FPS (shown on the file card above) is higher, use these recommendations:
                        
                        <ul>
                            <li>
                                <strong>Above 20 FPS:</strong> Drop every 2nd frame.
                            </li>
                            <li>
                                <strong>15–20 FPS:</strong> Drop every 3rd frame.
                            </li>
                        </ul>

                        <small><em>Note: Dropping frames reduces file size by removing animation detail. Lower the number, the more frames you drop.</em></small>
                    </div>
                `

ORIGINAL

Frames To Drop

Image resolution

Resolution Percentage

By Percentage

Keep original

Preset Resolutions

Preset

Use as max resolution

Width (Keep aspect ratio)

Width

Height (Keep aspect ratio)

Height

Width x Height

Image quality (%)

FRAMERATE

Video Framerate

Framerate

Colors

By Color Reduction + Dither

Color Palette Size

Dither

Compression level

Compression speed

Compression Type

LOSSY

DEFLATE

PACKBITS

CCITT Fax 4

NONE

JPEG

WebP

ZSTD

JP2K (JPEG 2000)

Lossless?

No (Recommended)

Bit Depth

8-bit (Recommended)

16-bit (High Precision)

1-bit (Black & White)

Frame Selection

Specific Frame

Time (seconds)

Multiple Screenshots

Capture Rate

Convert PUB to PPM images online with adjustable conversion quality (DPI) and PPM bit depth options for clean, compatible output.

Turn PUB files into PPM images in seconds. Choose conversion DPI and PPM bit depth, then download your results.

Convert PUB to PPM

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