Insights

Jonathan D. Rhyne

PDFium in 2025: Secure, high‑performance PDF rendering explained

PDFium is the open source PDF library behind Chrome and Edge. Learn how it delivers secure, high‑speed rendering in 2025 — myths busted by Nutrient CEO Jonathan Rhyne.

Beyond iPhone: Developing across Apple platforms

Douglas Hill

Beyond iPhone: Developing across Apple platforms

What are appearance streams?

Patrik Weiskircher

What are appearance streams?

Evaluating the render fidelity of PDF.js

Peter Steinberger

Evaluating the render fidelity of PDF.js

Life on the iOS team at Nutrient: Building for the long term

Douglas Hill

Life on the iOS team at Nutrient: Building for the long term

Choosing the best way to send emails in an iOS app

Douglas Hill

Choosing the best way to send emails in an iOS app

Haptic feedback across iPad and iPhone

Douglas Hill

Haptic feedback across iPad and iPhone

2024: Year in review

Jonathan D. Rhyne

2024: Year in review

Leveraging AI to conquer unfamiliar programming languages

Nick Winder

Leveraging AI to conquer unfamiliar programming languages

Programming in the AI era

Alexandros Apostolakis

Programming in the AI era

How will Generative AI replace SDK engineers?

Miloš Đekić

How will Generative AI replace SDK engineers?

AI-powered document process improvements

Nutrient

AI-powered document process improvements

A brief tour of multipart requests

Arek Gil

A brief tour of multipart requests

Customizable SwiftUI toolbar API for developers

Stefan Kieleithner

Customizable SwiftUI toolbar API for developers

Transform your document experience today

Nutrient

Transform your document experience today

Dark and Tinted Alternative App Icons

Douglas Hill

Dark and Tinted Alternative App Icons

Technological advancements and software sustainability

Staša Bugarski

Technological advancements and software sustainability

The rise of generative AI on mobile devices

Jonathan D. Rhyne

The rise of generative AI on mobile devices

Investigating a dynamic linking crash with Xcode 16

Stefan Kieleithner

Investigating a dynamic linking crash with Xcode 16

NSCopying in a Swift world

Douglas Hill

NSCopying in a Swift world

Generating API documentation for multiple targets with DocC

Stefan Kieleithner

Generating API documentation for multiple targets with DocC

2023: Year in review

Jonathan D. Rhyne

2023: Year in review

Debugging in iOS: Resolving UITextView flickering issues

Egor Mikhnevich

Debugging in iOS: Resolving UITextView flickering issues

Open source technology benefits for businesses

Claudio Ortolina

Open source technology benefits for businesses

Why we're committed to supporting PDFium

Jonathan D. Rhyne

Why we're committed to supporting PDFium

Digital form filling for construction software

Marija Trpkovic

Digital form filling for construction software

Adopting UITextInteraction

Stefan Kieleithner

Adopting UITextInteraction

The shift away from traditional file types

Jonathan D. Rhyne

The shift away from traditional file types

The evolution of the document: Fusing the old with the new

Jonathan D. Rhyne

The evolution of the document: Fusing the old with the new

Vision Is an Exciting Addition to Apple’s Lineup

Douglas Hill

Vision Is an Exciting Addition to Apple’s Lineup

Unleashing the Beta Beast: Introducing the Mind-Reading Q&A Tool

Manó Tóth

Unleashing the Beta Beast: Introducing the Mind-Reading Q&A Tool

Conditional Compilation for Apple’s Yearly Updates

Douglas Hill

Conditional Compilation for Apple’s Yearly Updates

Tech writer’s chatbot adventure

Manó Tóth

Tech writer’s chatbot adventure

My Engineering Transition from Mobile to Backend

Akshat Patel

My Engineering Transition from Mobile to Backend

PSPDFKit announces completion of SOC 2 Type 2 audit

PSPDFKit

PSPDFKit announces completion of SOC 2 Type 2 audit

PSPDFKit continues to accelerate with record results in 2022

PSPDFKit

PSPDFKit continues to accelerate with record results in 2022

2022: Year in review

Jonathan D. Rhyne

2022: Year in review

SourceKit limitations in Swift API docs

Stefan Kieleithner

SourceKit limitations in Swift API docs

PDF editor now available for SharePoint users

PSPDFKit

PDF editor now available for SharePoint users

PSPDFKit Names Miloš Đekić as VP of Product

PSPDFKit

PSPDFKit Names Miloš Đekić as VP of Product

PSPDFKit announces record results for Q3 2022

PSPDFKit

PSPDFKit announces record results for Q3 2022

Leveling Up My Manager Skills

Patrik Weiskircher

Leveling Up My Manager Skills

PSPDFKit Appoints Serana Warren as Information Security Officer

PSPDFKit

PSPDFKit Appoints Serana Warren as Information Security Officer

How We Make Our CI Fast

Arek Gil

How We Make Our CI Fast

Download Failures with Swift Package Manager Binary Targets

Douglas Hill

Download Failures with Swift Package Manager Binary Targets

Margin Collapsing in CSS

Guillermo Peralta Scura

Margin Collapsing in CSS

Record growth for PSPDFKit in Q2 2022

PSPDFKit

Record growth for PSPDFKit in Q2 2022

Replicating the iOS Text Magnifying Glass

Stefan Kieleithner

Replicating the iOS Text Magnifying Glass

Rate Limiting Server Requests in Elixir

Tomáš Šurín

Rate Limiting Server Requests in Elixir

PSPDFKit Announces Completion of SOC 2 Type 1 Examination

PSPDFKit

PSPDFKit Announces Completion of SOC 2 Type 1 Examination

Our Attempt at Rewriting PSPDFKit Catalog in SwiftUI

Adrian Kashivskyy

Our Attempt at Rewriting PSPDFKit Catalog in SwiftUI

How We Use Property Testing

Reinhard Hafenscher

How We Use Property Testing

Best Practices When Doing Code Reviews — Part 2

Daniel Martín

Best Practices When Doing Code Reviews — Part 2

PSPDFKit Extends Document Technology Platform with Strategic Acquisitions of ORPALIS and Aquaforest

PSPDFKit

PSPDFKit Extends Document Technology Platform with Strategic Acquisitions of ORPALIS and Aquaforest

PSPDFKit Announces Record First Quarter 2022 Results

PSPDFKit

PSPDFKit Announces Record First Quarter 2022 Results

PSPDFKit Names Chris Wilson as Chief Revenue Officer

PSPDFKit

PSPDFKit Names Chris Wilson as Chief Revenue Officer

PSPDFKit Appoints Chris Rosbrook as Chief Financial Officer

PSPDFKit

PSPDFKit Appoints Chris Rosbrook as Chief Financial Officer

A Peek at Our CD Pipeline

Reinhard Hafenscher

A Peek at Our CD Pipeline

Java-to-Kotlin Conversion Best Practices

Michael Kellner

Java-to-Kotlin Conversion Best Practices

How and Why You Should Be Using ASan

Nick Winder

How and Why You Should Be Using ASan

Best Practices When Doing Code Reviews — Part 1

Daniel Martín

Best Practices When Doing Code Reviews — Part 1

2021: Year in Review

PSPDFKit

2021: Year in Review

How We Expose Jetpack Compose APIs

William Barbosa

How We Expose Jetpack Compose APIs

Understanding fast-math

Matej Bukovinski

Understanding fast-math

A Case for Fast CI

Arek Gil

A Case for Fast CI

Migrating Our Web Codebase from Flow to TypeScript

Ritesh Kumar

Migrating Our Web Codebase from Flow to TypeScript

Using Instant Layers for Onsite Visits

Nishant Desai

Using Instant Layers for Onsite Visits

Revolutionizing the Construction Industry with PDF Technology

Natalye Childress

Revolutionizing the Construction Industry with PDF Technology

What Is a Deprecated API on iOS?

Douglas Hill

What Is a Deprecated API on iOS?

HTTP Caching 101

Veronica Marini

HTTP Caching 101

PSPDFKit Announces €100 Million Strategic Investment From Insight Partners to Fuel Growth

PSPDFKit

PSPDFKit Announces €100 Million Strategic Investment From Insight Partners to Fuel Growth

What Is Text Shaping and Why Do We Do It?

Patrik Weiskircher

What Is Text Shaping and Why Do We Do It?

Managing CI pipelines with Terraform

Julian Grosshauser

Managing CI pipelines with Terraform

Reverse engineering UIKit to fix our top crash

Adrian Kashivskyy

Reverse engineering UIKit to fix our top crash

Maintain Your Public Flutter Project Seamlessly

Amit Nayar

Maintain Your Public Flutter Project Seamlessly

CMake Presets in Practice

Nick Winder

CMake Presets in Practice

Optimizing PDFs for Printers

James Campbell

Optimizing PDFs for Printers

Why Should You Care about Manual Testing?

Tomáš Šurín

Why Should You Care about Manual Testing?

How a B-Tree Helped Reduce Memory Usage in Our Framework

Daniel Martín

How a B-Tree Helped Reduce Memory Usage in Our Framework

The Experience of Signing Electronically

Petra Bukovinski

The Experience of Signing Electronically

Why PDF Uses Floats and Word Uses EMUs

Markus Woschank

Why PDF Uses Floats and Word Uses EMUs

Server Development on Apple Silicon

Reinhard Hafenscher

Server Development on Apple Silicon

Our Journey to ARM

Reinhard Hafenscher

Our Journey to ARM

How to Identify Browser Bugs

Guillermo Peralta Scura

How to Identify Browser Bugs

String Literals, Character Encodings, and Multiplatform C++

Daniel Martín

String Literals, Character Encodings, and Multiplatform C++

Advances in XCFrameworks

Rad Azzouz

Advances in XCFrameworks

Keeping Up with JavaScript Pointer Events

James Campbell

Keeping Up with JavaScript Pointer Events

2020: Year in Review

Jonathan D. Rhyne

2020: Year in Review

Where We Work

Natalye Childress

Where We Work

How Updating to Kotlin 1.4 Broke Our Linter Rules

David Schreiber-Ranner

How Updating to Kotlin 1.4 Broke Our Linter Rules

Updating Complex Forked Projects

Patrik Weiskircher

Updating Complex Forked Projects

The Generalized CRUD API of PSPDFKit for Web

Tomáš Šurín

The Generalized CRUD API of PSPDFKit for Web

The State of Debugging in WebAssembly

Nick Winder

The State of Debugging in WebAssembly

Monitoring PSPDFKit Server with Metrics

Arek Gil

Monitoring PSPDFKit Server with Metrics

Binary Frameworks as Swift Packages

Rad Azzouz

Binary Frameworks as Swift Packages

C++20 in 2020: Modules

Amit Nayar

C++20 in 2020: Modules

Why Is the PDF Format So Well Supported on Apple Platforms?

Akshat Patel

Why Is the PDF Format So Well Supported on Apple Platforms?

Our Journey toward Using More Inclusive Language at PSPDFKit

Natalye Childress

Our Journey toward Using More Inclusive Language at PSPDFKit

The Case for Lists in UICollectionView

Douglas Hill

The Case for Lists in UICollectionView

The hidden trap in table and collection view reloads

Matej Bukovinski

The hidden trap in table and collection view reloads

Direct Calls with Objective-C

Peter Steinberger

Direct Calls with Objective-C

Supporting XCFrameworks

Rad Azzouz

Supporting XCFrameworks

NULL-Characters in Strings and Tales of Apple Radar

Peter Steinberger

NULL-Characters in Strings and Tales of Apple Radar

Text Selection Regression in Chrome 83

Guillermo Peralta Scura

Text Selection Regression in Chrome 83

An In-Depth Look at Blur Effect Materials on iOS

Nishant Desai

An In-Depth Look at Blur Effect Materials on iOS

Supporting Pointer Interactions

Peter Steinberger

Supporting Pointer Interactions

Optimizing PDF File Size

Patrik Weiskircher

Optimizing PDF File Size

Becoming a better engineer by doing support

Oscar Swanros

Becoming a better engineer by doing support

The State of Progressive Web Apps in 2020

Marco Scannadinari

The State of Progressive Web Apps in 2020

Daniel Martín

The C++ Lifetime Profile: How It Plans to Make C++ Code Safer

2019: Year in Review

Jonathan D. Rhyne

2019: Year in Review

The Functional Side of std::optional with C++20

Nick Winder

The Functional Side of std::optional with C++20

From zero to hero: How I got a full-time job in tech

Veronica Marini

From zero to hero: How I got a full-time job in tech

Our Journey from Genymotion to the Android Emulator

David Schreiber-Ranner

Our Journey from Genymotion to the Android Emulator

Introduction to C++ for Swift Developers

Daniel Martín

Introduction to C++ for Swift Developers

Improving keyboard accessibility in our Android SDK

Reinhard Hafenscher

Improving keyboard accessibility in our Android SDK

Understanding the Gradle Build System

Simone Arpe

Understanding the Gradle Build System

Challenges of Using Emojis with C++

Patrik Weiskircher

Challenges of Using Emojis with C++

What Is an Intent?

Reinhard Hafenscher

What Is an Intent?

React Redux's New Features

Miguel Calderón

React Redux's New Features

How We Work at PSPDFKit

Peter Steinberger

How We Work at PSPDFKit

Problems with Nullability Annotations

David Schreiber-Ranner

Problems with Nullability Annotations

WWDC for First-Timers, 2019 Edition

Peter Steinberger

WWDC for First-Timers, 2019 Edition

Fix Xcode IDE problems effectively

Daniel Martín

Fix Xcode IDE problems effectively

Lessons from a decade of remote work

Matej Bukovinski

Lessons from a decade of remote work

Understanding PDF bookmarks and outlines

Oscar Swanros

Understanding PDF bookmarks and outlines

Kotlin Coroutines

Reinhard Hafenscher

Kotlin Coroutines

The Bittersweet iOS Document Browser

Matej Bukovinski

The Bittersweet iOS Document Browser

Embracing the Limits of UIActivityViewController

Oscar Swanros

Embracing the Limits of UIActivityViewController

PSPDFKit and Swift

Peter Steinberger

PSPDFKit and Swift

Incremental and Full Save in PDFs

Patrik Weiskircher

Incremental and Full Save in PDFs

UWP for iOS Developers

James Swift

UWP for iOS Developers

Visual Studio Code for C++

Patrik Weiskircher

Visual Studio Code for C++

2018: Year in Review

Peter Steinberger

2018: Year in Review

Self-Sizing Table View Cells in Practice

Douglas Hill

Self-Sizing Table View Cells in Practice

Color-Correct Night Mode

Stefan Kieleithner

Color-Correct Night Mode

iOS HEIC Performance

Aditya Krishnadevan

iOS HEIC Performance

Challenges of Adopting Drag and Drop

Oscar Swanros

Challenges of Adopting Drag and Drop

What are Kotlin contracts and how are they useful?

Anastasiia Zhuravleva

What are Kotlin contracts and how are they useful?

What’s Hiding in Your PDF?

Nick Winder

What’s Hiding in Your PDF?

How We Onboard New Engineers

Nicolas Dular

How We Onboard New Engineers

Marzipan: Porting iOS Apps to the Mac

Peter Steinberger

Marzipan: Porting iOS Apps to the Mac

The Challenges of Changelogs

Matej Bukovinski

The Challenges of Changelogs

How I Got Started with Flutter

Simone Arpe

How I Got Started with Flutter

Swift by Sundell Podcast with Peter Steinberger

Jonathan D. Rhyne

Swift by Sundell Podcast with Peter Steinberger

Smart Grid Sizing

Douglas Hill

Smart Grid Sizing

Scaling PSPDFKit Server

Silvio Doblhofer

Scaling PSPDFKit Server

Rendering PDF Previews

Reinhard Hafenscher

Rendering PDF Previews

Advances in Auto Layout

Stefan Kieleithner

Advances in Auto Layout

Smart Punctuation in iOS: A Developer's Guide

Aditya Krishnadevan

Smart Punctuation in iOS: A Developer's Guide

RxJava Is Async yet Blocking

David Schreiber-Ranner

RxJava Is Async yet Blocking

Searching PDFs

James Swift

Searching PDFs

UICollectionView All the Things!

Michael Ochs

UICollectionView All the Things!

Using Kotlin to Make the PSPDFKit API Even Better

Reinhard Hafenscher

Using Kotlin to Make the PSPDFKit API Even Better

Binary Frameworks in Swift

Peter Steinberger

Binary Frameworks in Swift

Simple Kotlin Tips for Beginners

Anastasiia Zhuravleva

Simple Kotlin Tips for Beginners

Adopting Drag and Drop on iOS

Stefan Kieleithner

Adopting Drag and Drop on iOS

Challenges of Supporting iPhone X

Stefan Kieleithner

Challenges of Supporting iPhone X

Women in Software Development? YES PLEASE!

Tina Chern

Women in Software Development? YES PLEASE!

The Case for Deprecating UITableView

Peter Steinberger

The Case for Deprecating UITableView

Creating a Compelling Today Widget

Stefan Kieleithner

Creating a Compelling Today Widget

2016 In Review

Peter Steinberger

2016 In Review

Chef on macOS

Julian Grosshauser

Chef on macOS

Real-time collaboration, Apple, and you

Peter Steinberger

Real-time collaboration, Apple, and you

Just a simple bookmark

Jernej Virag

Just a simple bookmark

Swifty Objective-C

Peter Steinberger

Swifty Objective-C

A pragmatic cross-platform approach

Peter Steinberger

A pragmatic cross-platform approach

Surprises with Swift Extensions

Peter Steinberger

Surprises with Swift Extensions

The curious case of Android premultiplied alpha

Jernej Virag

The curious case of Android premultiplied alpha

Presentation Controllers and Adaptive Presentations

Douglas Hill

Presentation Controllers and Adaptive Presentations

Using Ccache for Fun and Profit

Peter Steinberger

Using Ccache for Fun and Profit