Documents

OTG → PDF

Learn about the formats: What is PDF?

At a glance

ConvertX.am converts OTG files to PDF online, for free and without signing up. Upload a file of up to 500 MB and download the PDF result; uploaded and converted files are deleted automatically within about an hour.

Input:: OTG
Output:: PDF
Price:: Free, no sign-up
File size:: Up to 500 MB
Your files:: Deleted automatically within about an hour

Convert OTG vector graphics into universally readable PDF documents instantly. This conversion is essential for sharing OpenDocument drawing files with clients or platforms that do not support vector editors.

OTG is a standard vector graphics format typically used by applications like Apache OpenOffice Draw, storing scalable shapes, lines, and graphical layouts. When converting OTG to PDF, the vector structure is translated into a fixed-layout document format. This process preserves the exact positioning of all graphic elements, paths, and text layers, making the drawing viewable on any device without needing dedicated vector software.

The conversion between OTG and PDF is entirely lossless, meaning your vector graphics retain crisp lines, curves, and scaling precision without any pixelation or quality degradation.

Tips

Ensure all text elements inside your OTG file are converted to curves or embedded properly if you use rare fonts.
Check the page orientation and dimensions in your drawing settings before exporting to match standard PDF layouts.
Keep the original OTG file if you plan to edit the vector paths further, as PDF is optimized for viewing and printing rather than complex editing.

Common use cases

Submitting technical vector drawings and floor plans created in OpenOffice Draw to clients who only accept PDF submissions.
Preparing OTG vector illustrations for universal printing and digital archiving.
Sharing conceptual designs across different operating systems without requiring recipients to install vector editing software.

Why ConvertX stays free — forever

We built this project so anyone can convert files without paywalls, accounts, or hidden limits. Here is what that promise means in practice.

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Free tools today — and always

Every converter on ConvertX is free to use: no trials, no premium tiers, and no credit packs. We will never put core conversion features behind a subscription. Whether you convert one photo or a hundred files a week, the price stays zero.

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Privacy-first processing

Many image, audio, and video conversions run entirely in your browser. Your files never leave your device for those jobs. When server processing is required for documents or specialized formats, uploads are handled securely and removed automatically — typically within one hour.

File formats: what to choose

A quick guide to strengths and trade-offs of popular formats — so you pick the right one before converting.

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Documents

Office files, PDFs, ebooks, and plain text.

Common extensions: PDF, DOCX, XLSX, PPTX, ODT, EPUB, TXT

Advantages

+ PDF locks layout for printing and sharing
+ DOCX and ODT are easy to edit collaboratively
+ Plain text works on any device

Disadvantages

− PDF is hard to edit without special tools
− Complex layouts may shift after conversion
− Scanned PDFs need OCR for editable text

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Images

Raster and vector graphics for web, print, and photography.

Common extensions: PNG, JPG, WebP, AVIF, GIF, SVG, HEIC, TIFF

Advantages

+ WebP and AVIF offer excellent compression for the web
+ PNG keeps transparency and sharp edges
+ SVG scales without quality loss

Disadvantages

− RAW and TIFF files are large and slow to share
− JPEG loses quality on every re-save
− Some formats are not supported in older browsers

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Video

Clips, streams, screen recordings, and movies.

Common extensions: MP4, WebM, MOV, MKV, AVI, MPEG

Advantages

+ MP4 (H.264/H.265) plays almost everywhere
+ WebM is efficient for web embedding
+ MKV can hold multiple audio and subtitle tracks

Disadvantages

− High-resolution video needs lots of storage and bandwidth
− Re-encoding always takes time and may reduce quality
− Some codecs require licensing for commercial use

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Audio

Music, podcasts, voice recordings, and sound effects.

Common extensions: MP3, WAV, FLAC, OGG, AAC, M4A, OPUS

Advantages

+ FLAC and WAV preserve full quality for editing
+ MP3 and AAC are universally compatible
+ OPUS delivers great quality at low bitrates

Disadvantages

− Uncompressed WAV files are very large
− Lossy formats cannot be restored to original quality
− DRM-protected files may not convert

Frequently asked questions

No. The conversion is entirely lossless, preserving the vector lines, shapes, and clarity of your OTG file inside the PDF.

The file size changes only insignificantly, as the vector data is simply repackaged into the PDF document container.

While some vector editing tools can open PDFs, PDF is primarily a fixed-layout format meant for viewing and printing, so major edits should be done in the original OTG file.

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