Founder/CEO of IDRsolutions, Java/NetBeans fan and PDF expert. A passionate Mediaeval Historian, St. Andrews graduate and owner of a very dry sense of humour.

East Peckham, South East
Final stop on our #movie tour is on Steiner street. Robin Williams actually rented and suggested location #mrsdoubtfire
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Mark Stephens retweeted
We analysed 726 PDFs and 763 PNGs to see how both formats really stack up in terms of file size. Some of the results were not what we expected. If you care about file storage for documents and images, the full breakdown is here: blog.idrsolutions.com/pdf-vs…
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Mark Stephens retweeted
Painting our old office to leave it pristine before we move out to our new home next week.
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Mark Stephens retweeted
The full talk is up: Chika Emebo & Mark Stephens on managing a team that spans four generations. businessofsoftware.org/talks…
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Mark Stephens retweeted
Brotli support arrives in #PDF. Read the official news from @PDFAssociation at pdfa.org/no-excuses-brotli-c… Obviously BuildVu, FormVu and JPedal work with any PDF files containing #brotli data
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Mark Stephens retweeted
We have been working a new feature applying the Arlington model from @PDFAssociation against #PDF files and seeing what turns up. Found a version 1.9 PDF (allegedly)
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PDF/A is a big focus for us at the moment, so we wrote this guide to explain what it's all about. #PDF #PDFA
PDF/A, PDF/A-1, PDF/A-2, PDF/A-3, PDF/A-3b — if the acronyms have started blurring together, here's what they actually mean and how to check a file complies: blog.idrsolutions.com/what-i…
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Working today in the inspirational San Francisco public library with views over City Hall
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My direct flight today to #SanFrancisco has been cancelled so now 2 flights via 🍏. Not pleased with cancellation but impressed with @VirginAtlantic efficiency in rebooking an alternative and will only be delayed a few hours.
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Mark Stephens retweeted
Drawing a black box over PDF text isn't redaction. The text is still there — copy-paste it and see. True redaction removes it from the content stream too. Here's how to do both in Java with JPedal in under 20 lines. 🧵 blog.idrsolutions.com/how-to… #Java #PDF #JPedal
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just leave that there....
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Mark Stephens retweeted
New blog post and a report on the RISC OS North Show 2026 - tantobieinternettattler.blog…
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Mark Stephens retweeted
After 25 years running a profitable software company, @markee174 argues that chasing shortcuts is often what makes companies fail. The long road wins. Watch it: businessofsoftware.org/talks…
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Visited Beitou- famous for its hot springs and hokutolite rock #taiwan
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Looking round the centre of #taipei
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Up in the mountains above #taipei to see and try the tea
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Mark Stephens retweeted
Building a software company is hard. Doing it alone is harder... Join the BoS community in Cambridge this April. Buy one ticket, get the wisdom of two legendary events. One for the calendar, one for the headphones today. 🎧 Register here: businessofsoftware.org/event…
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Today’s evening view in New Zealand 🇳🇿
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Very happy to be observing 🇬🇧 weather from New Zealand 🇳🇿
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