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The Freeware Genius website team recently conducted a comparative review of freeware PDF conversion tools and UniPDF came out on top:


I decided to give it go; albeit "standalone", UniPDF is unfortunately not at all portable -- it keeps its settings in a 'config.xml' file in the program folder alright, but at the same time it creates no less than 33 different registry keys (as well as leaving behind folders in %APPDATA% and %TEMP%, which will totally freak stealth purists). A shame, really, 'cause in spite of the lack of OCR capability, UniPDF is a handy, lightweight and efficient offer for document conversion.

[I tried to beat up a quick'n'dirty™ yaP launcher (see https://pastebin.com/bzN4u7QZ), but it is currently unable to delete all those keys (more on that later).]

[EDIT: you can now portabilize UniPDF with http://yap.rolandtoth.hu/configs/UniPDF.ini; my previously improved UniPDF yaP launcher config still is at https://pastebin.com/zzASDydi.]

http://unipdf.com/ wrote:Standalone and easy-to-use, UniPDF performs high-quality conversion from PDF files to word documents (doc/rtf), images (JPG/PNG/BMP/TIF/GIF/PCX/TGA), HTML, or plain text files (txt) in batch mode, with all document texts, layouts, images and formatting ideally preserved.

UniPDF seems to be payware now, any link to last freeware version?

@xor
I have UniPDF versions 1.0.4.0 & 1.2.0.0, if you need any of these I can upload them.

I suppose the last free version should fit my needs, especially the PDF to HTML capability, thanks, I'll be expecting your upload.

@xor

This is the download link:
http://ge.tt/70t7aBj2
The file - UniPDF.7z, contains two archives- UniPDF 1.0.4.0.zip & UniPDF 1.2.0.0.zip, which contain the installers- unipdf-setup.exe.

File details:
Name: UniPDF.7z
File Size: 11492579 Byte(s) (10.96 MB)
CRC32: bfffe513
MD5: dc7bf3c22cd5ff61ddc4ec269b77fab6
SHA1: 66c42584bc284452ba3373d957acc183969fff66
SHA256: d002ce6895e3b5e461fe69d44f1fc8787abfe701ea7de60491914adc6575649d
SHA512: 49612506d2594b0d61d136cab963ca62890de3e0c42d391a202eef663cfde31c4fe344ba249218f202741978dfffdc0b25ed5cdd7b6eef429588ca5bcc64e9e1

VirusTotal analysis - Detection ratio: 1 / 56 (Baidu).

I tested the download link and it worked.

Midas wrote:The Freeware Genius website team recently conducted a comparative review of freeware PDF conversion tools and UniPDF came out on top

Thanks to the link to the article, Midas.

However, the article is about PDF to Word conversion though, which isn't really important to me. The important thing for me is the other way around - Word (or OpenDocument) to PDF.

LibreOffice works for my needs, but good to know about these other apps.

freakazoid wrote:... The important thing for me is the other way around - Word (or OpenDocument) to PDF...

@freakazoid

For the occasional PDF conversion job, I'd suggest trying this free on-line conversion service.

Besides the required Word->PDF conversion, additional back-and-forth conversions types are also available:

• PPT<->PDF
• JPG<->PDF
• Excel<->PDF

As well as a few auxiliary PDF manipulation operations:

• Compress PDF
• Merge PDF's
• Split PDF
• Rotate PDF
• Unlock PDF
• Protect PDF

(see also former germane references by Baas, webfork and assoc ... )

@Smaragdus
thanks for the link, you're certainly a handy freeware versions depot man.

freakazoid wrote:The important thing for me is the other way around - Word (or OpenDocument) to PDF.

FYI, SoftMaker FreeOffice does export directly to PDF.

__philippe wrote:

freakazoid wrote:... The important thing for me is the other way around - Word (or OpenDocument) to PDF...

@freakazoid

For the occasional PDF conversion job, I'd suggest trying this free on-line conversion service.

I prefer an offline alternative.

Midas wrote:

freakazoid wrote:The important thing for me is the other way around - Word (or OpenDocument) to PDF.

• FYI, SoftMaker FreeOffice does export directly to PDF.

Yeah, but I found that SoftMaker's PDF export isn't as accurate as LibreOffice's.

freakazoid wrote:I found that SoftMaker's PDF export isn't as accurate as LibreOffice's.

Always good to know.

Mirror update: I couldn't seem to get smaragdus' ge.tt downloads to work but I did find a list over at freeware.tools:

http://www.freeware.tools/2015/07/unipdf-12.html

The RAR file is listed as unknown by VirusTotal but the program inside is clean:

File details: unipdf-setup.exe
MD5 b011f57cde65882ab3adfd2a351b8556
SHA-1 204f6adbacdfcfd3fa848a592587d175f548d85c
SHA-256 5aa091be0a1298c915fc60965bf5446e497b258ee3282f96703bc11d4aea05ed
https://www.virustotal.com/gui/file/5aa ... /detection (1/69)

---

EDIT: I couldn't get this to run in Win10x64, just threw up errors when trying to convert PDF to Word.

EDIT2: I couldn't get it to work outside of the Program Files directory, but it does works well. For example, here's an RTF export of some sheet music (complex word and image placement test):

As of this writing (June 2, 2021) UniPDF has a free standalone version (current version: v.1.3.4).
It is a no-install app, but it is not portable since it writes various keys in the registry.
But it can be run from a USB drive attached to any computer.
The limitation of this free version is three conversions (Pdf to Word-RTF) per day.
Home page: https://unipdf.com/ (with the download link)
Comparison of the free version with the commercial versions: https://unipdf.com/order/
Note: all the DLLs, EXEs are clean (verified on virustotal.com)