1. Home
  2. Document Converter
  3. Convert PUB to KEY

What is PUB?

Microsoft Publisher (PUB) is a desktop publishing format used for creating professional layouts, newsletters, flyers, and marketing materials.

What is KEY?

Apple Keynote (KEY) is Apple's presentation format for creating stunning slideshows with animations, transitions, and media.

When Should You Use PUB vs KEY?

Use PUB When...

Reach for PUB when your priority is desktop publishing, flyers, newsletters — its efficient compression makes sharing fast and storage minimal.

Use KEY When...

Reach for KEY when your priority is apple presentations, slideshows — its efficient compression makes sharing fast and storage minimal.

PUB vs KEY: Key Differences

  • •The core technical difference: PUB relies on lossy compression whereas KEY uses lossy compression.
  • •Neither format changes compression philosophy — both are lossy compression — so any size differences are due to encoding efficiency, not a shift in quality approach.
  • •Alpha channel support: KEY lacks transparency support.
  • •File sizes: PUB files typically range 500KB to 50MB with images and KEY files 5MB to 100MB with media.
  • •Primary audience: PUB is built for desktop publishing, flyers, newsletters scenarios, while KEY focuses on apple presentations, slideshows — pick the format that matches your output requirement.

Advantages of PUB

  • ✓The lossy nature of PUB means file sizes stay reasonable while handling Desktop publishing, flyers, newsletters efficiently.
  • ✓From mobile devices to enterprise servers, PUB is recognized and supported everywhere.
  • ✓Storage and bandwidth costs drop significantly when using PUB thanks to its efficient compression.
  • ✓PUB is a first-class citizen in all major software ecosystems, from creative suites to development environments.

Advantages of KEY

  • ✓KEY uses lossy compression tailored for Apple presentations, slideshows.
  • ✓KEY is supported natively on virtually every device, browser, and operating system.
  • ✓KEY files are compact and quick to transfer, even over slow connections.
  • ✓KEY integrates seamlessly with all major creative tools and workflows.

Common Use Cases for PUB to KEY Conversion

  • Academic papers and theses
  • Business contracts and agreements
  • Spreadsheets and data analysis
  • Presentations and slideshows
  • Technical documentation
  • Email correspondence

Industry Applications

Academic PublishingLegal DocumentationOffice ManagementTechnical WritingData AnalysisEducation

Best Practices for PUB to KEY Conversion

  • →When converting PUB to KEY, check that tables, images, and embedded fonts transfer correctly — complex layouts may shift between formats
  • →Use KEY as your final distribution format if it offers better compatibility, or keep PUB as an editable master
  • →For PUB to KEY conversions, verify that tracked changes and comments are preserved if needed
  • →Embed fonts to ensure consistent rendering across devices and platforms
  • →Always keep a backup of your original files before converting
  • →Choose the appropriate quality settings for your specific use case

Troubleshooting PUB to KEY Conversion

  • !Page breaks moved after converting PUB to KEY → margin and spacing settings differ between document formats
  • !Tables in the converted KEY are misaligned → complex merged cells and nested tables are handled differently by each format
  • !Headers and footers missing from KEY → verify that the converter supports header/footer extraction for your source format
  • !Special characters appear as gibberish in KEY → the source file may use a different character encoding than expected

Related Document Converters

All Document Formats

View all Document converters →

More Document tools

Convert to KEY →Convert from PUB →

Convert PUB to KEY Online - Free & Fast

Convert PUB files to KEY online for free. High-quality conversion with no registration required.

Document Converter

Upload or enter a URL to convert PUB to KEY instantly

Click to upload or drag & drop PUB file

or paste from clipboard

.pub,.PUB (max 100MB)

SSL EncryptedAuto-deleted in 1 hourProcessed securelyNo registration needed

Verifying security check…

About PUB and KEY

PUB

PUB (Publisher PUB) - Microsoft Publisher, desktop publishing format. Best for desktop publishing, flyers, newsletters.

KEY

KEY (Keynote KEY) - Apple Keynote presentation format. Ideal for apple presentations, slideshows.

Format Comparison

CompressionLossy → Lossy
TransparencyN/A
Use CaseConvert from desktop publishing, flyers, newsletters to apple presentations, slideshows
File Size~5MB to 100MB with media after conversion

FAQs

Is converting PUB to KEY free?

Yes, GoConvertFile offers free conversion of PUB to KEY for files up to 100MB. No registration required.

How long does it take to convert PUB to KEY?

Most PUB to KEY conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.

What is KEY best used for?

KEY is ideal for apple presentations, slideshows. Apple Keynote presentation format

What file size should I expect after converting PUB to KEY?

File size after PUB to KEY conversion depends on the content complexity and quality settings. Both formats use similar compression approaches so sizes are comparable.

Related Tools

PDF to PUB
Convert PDF to PUB
PDF to KEY
Convert PDF to KEY
DOCX to PUB
Convert DOCX to PUB
DOCX to KEY
Convert DOCX to KEY
View all document converter converters
Tune output for this document conversion

Leave blank to convert all pages.