Cutting Claude’s Token Bill by Converting PDFs to Markdown

Claude charges you twice for every PDF page, once for the text and once for the image. Converting to Markdown drops half the bill, as long…

Medium
#PDF has been open format since 2008

#ISO page: https://www.iso.org/standard/75839.html

You can get a legal free copy of the specs at #PDFAssociation: https://pdfa.org/resource/iso-32000-2/

CC: @[email protected]
ISO 32000-2:2020

Document management — Portable document format — Part 2: PDF 2.0

ISO

PDF Days Europe 2025:
Here comes the YT playlist with the recordings of all 23 presentations.

https://www.youtube.com/playlist?list=PLfGR40SWnakhgSxXc8y70j7Juo8plKQEU

Also PDF Association has posted an article with an overview of all topics.

https://pdfa.org/recordings-of-pdf-days-europe-2025-available-now/

#PDFAssociation #PDF #PDFA #PDFUA #accessiblePDF #PDFX #Metadata

PDF Days Europe 2025

YouTube

What would be in your PDF triathlon?

These come to mind:

* PDF/UA fails
* Font fails
* Redaction fails

#pdftriathlon #PDFAssociation

https://pdfa.org/coming-in-september-a-pdf-triathlon-in-berlin/

Coming in September: a PDF Triathlon in Berlin! – PDF Association

Lots of useful info in this month’s #PDFAssociation newsletter!

I look forward to reading the paper on chatgptv(ision) for OCR, cited by the #PDFAcademicBot

https://pdfa.org/pdf-in-the-wild-for-january-2024/

PDF in the Wild for January 2024 – PDF Association

@wtfpdf @kmur Yes, these are great: densely packed with all kinds of reference info - including lots of tables on specific things that I'm only barely starting to learn about (!). Kudos to Peter and the PDF Association.

I did notice with some disappointment that the sheets themselves are not PDF/UA compliant, which means that they aren't fully accessible to all users. Hopefully that is something they can fix in a revision. 😬
#PDFUA #PDFAssociation #PDF #Accessibility

I've reposted this news, but it is really, really neat. Free cheat sheets on the PDF format by Peter Wyatt! #pdf #PDFAssociation

https://pdfa.org/cheat-sheets-for-pdf-for-free/

“Cheat Sheets” for PDF, for free! – PDF Association

Perfect timing for the new logo! Many, many thanks to @prwheatley @kmur, Peter Wyatt, Duff Johnson , #PDFAssociation, and #DPCClinic for this collaboration!

Oh, this looks good - #OpenPreservationFoundation #OPF and the #PDFAssociation have released a first development preview of a #VeraPDF-powered #PDF checker. The software is based on the #Arlington PDF model, and analyses PDF files against the full PDF 2.0 specification:

https://openpreservation.org/news/development-preview-pdf-file-checker-based-on-the-arlington-pdf-model/

Haven't tried it yet, but based on what I'm reading this looks like the future of #PDF validation to me!

Development Preview: PDF file checker based on the Arlington PDF Model - Open Preservation Foundation

On the 30th anniversary of PDF technology, we're excited to announce the availability of the first development preview of a new veraPDF-powered application. Building on...

Open Preservation Foundation
@xchatty many thanks to Peter Wyatt #PDFAssociation for collaboration in developing this corpus.