Calum

Student developer from Edinburgh creating tools to make PDF processing simpler and more accessible. Creator of RevisePDF.

Scotland Joined on Apr 25, 2025 calum@revisepdf.com https://www.revisepdf.com/

Education

Edinburgh Napier University

Work

Student Developer

Pinned

Calum

May 14

Using OCR for Data Extraction from Forms and Invoices

#ocr #machinelearning #python #tutorial

9 min read

Calum

May 23

Compressing Scanned Documents: Special Considerations

#pdf #performance #optimization #webdev

8 min read

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Calum

May 22

10 Ways to Reduce PDF File Size for Email Attachments

#pdf #performance #optimization #webdev

8 min read

Calum

May 22

Creating Accessible PDFs: A Comprehensive Guide

#pdf #a11y #webdev

8 min read

Calum

May 21

Color Contrast and Readability in PDF Documents

#pdf #a11y #webdev

10 min read

Calum

May 21

PDF Accessibility Laws and Compliance Requirements

#pdf #a11y #webdev

8 min read

Calum

May 19

Making PDF Forms Accessible to All Users

#pdf #a11y #webdev

10 min read

Calum

May 18

Adding Alt Text to Images in PDF Documents

#pdf #a11y #webdev

8 min read

Calum

May 18

Accessible PDF Tables and Complex Content

#pdf #a11y #webdev

8 min read

Calum

May 17

Retrofitting Existing PDFs for Accessibility

#pdf #a11y #webdev

9 min read

Calum

May 16

Converting Scanned Documents to Searchable PDFs

#ocr #machinelearning #python #tutorial

8 min read

Calum

May 16

Improving OCR Accuracy for Better Text Recognition

#ocr #machinelearning #python #tutorial

8 min read

Calum

May 15

Batch OCR Processing for Large Document Collections

#ocr #machinelearning #python #tutorial

9 min read

Calum

May 15

OCR for Historical Documents and Unusual Fonts

#ocr #machinelearning #python #tutorial

8 min read

Calum

May 14

Creating Proper Document Structure for Screen Readers

#pdf #a11y #webdev

10 min read

Calum

May 13

Exporting and Summarizing PDF Annotations

#pdf #collaboration #productivity #tutorial

8 min read

Calum

May 13

Managing and Responding to PDF Comments

#pdf #collaboration #productivity #tutorial

8 min read

Calum

May 13

The History of PDF: From Adobe's Creation to Universal Standard

#pdf #tutorial #beginners #productivity

5 min read

Calum

May 13

The Ultimate Guide to PDF Manipulation with RevisePDF

#pdf #tools #revisepdf #guide

3 min read

Calum

May 5

How We Built a PDF Compression Tool with Python and Flask

#python #webdev #pdf #flask

1 min read

Calum

Apr 27

How i implemented google oauth in my flask application with supabase

#webdev #programming #postgres #beginners

1 min read

Calum

Apr 25

Seeking Feedback on My Flask-based PDF Processing Web App

#python #flask #webdev #pdf

2 min read

Forem

Calum

Badges

1 Week Community Wellness Streak

Writing Debut

Skills/Languages

Currently learning

Currently hacking on

Available for

Pinned

Using OCR for Data Extraction from Forms and Invoices

Compressing Scanned Documents: Special Considerations

Want to connect with Calum?

10 Ways to Reduce PDF File Size for Email Attachments

Creating Accessible PDFs: A Comprehensive Guide

Color Contrast and Readability in PDF Documents

PDF Accessibility Laws and Compliance Requirements

Making PDF Forms Accessible to All Users

Adding Alt Text to Images in PDF Documents

Accessible PDF Tables and Complex Content

Retrofitting Existing PDFs for Accessibility

Converting Scanned Documents to Searchable PDFs

Improving OCR Accuracy for Better Text Recognition

Batch OCR Processing for Large Document Collections

OCR for Historical Documents and Unusual Fonts

Creating Proper Document Structure for Screen Readers

Exporting and Summarizing PDF Annotations

Managing and Responding to PDF Comments

The History of PDF: From Adobe's Creation to Universal Standard

The Ultimate Guide to PDF Manipulation with RevisePDF

How We Built a PDF Compression Tool with Python and Flask

How i implemented google oauth in my flask application with supabase

Seeking Feedback on My Flask-based PDF Processing Web App