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Product lab, PDF tools, privacy-first

A PDF toolkit that keeps every document inside the browser.

Appik Studio designed and built CompressMyPDF to compress, convert, and organize PDFs without transferring files to a server.

Web appPrivacy-firstProduct lab
CompressMyPDF project preview
CompressMyPDF logo

100% browser-side processing · five languages · WebAssembly PDF compression

Context

Online PDF tools usually require users to upload documents to a remote server. That model creates avoidable friction for contracts, administrative documents, financial files, and other sensitive material.

CompressMyPDF is an Appik Studio product built around a simpler promise: useful PDF operations without transferring the source file away from the user's device.

What we built

  • A multilingual web application for PDF compression, conversion, merging, splitting, and rotation.
  • A browser-side processing pipeline powered by WebAssembly and Ghostscript.
  • A responsive workflow for desktop and mobile browsers, with no account required.
  • Clear privacy messaging that explains where and how each document is processed.

Privacy-first architecture

The processing pipeline runs locally in the browser. The selected PDF is read into browser memory, processed by a Web Worker, and returned as a downloadable file. The document itself is not uploaded to an Appik Studio or CompressMyPDF server.

This architecture keeps the product useful for privacy-conscious workflows while avoiding the storage and retention questions created by a conventional upload API.

Why this project matters

AngleValue
Product engineeringA complete public product designed, built, and operated by Appik Studio.
PrivacySource documents remain on the user's device during processing.
AccessibilityFree access, no account, and five interface languages.
Technical proofNext.js, TypeScript, Web Workers, WebAssembly, and Ghostscript in production.

Product outcome

CompressMyPDF demonstrates how a familiar utility can be redesigned around privacy without making the user workflow more complicated. Users choose a file, select an operation, and download the result from the same browser session.

The product also gives Appik Studio a live proving ground for local-first web architecture, international SEO, accessible interaction design, and document tooling.

CONTACT

contact@appik-studio.ch
+41 78 693 58 72

APPIK STUDIO

Avenue de Béthusy 26,

1005, Lausanne, Suisse.

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Appik Studio SARL, Copyright © 2026|Privacy Policy|About

The Appik Studio team brings over 10 years of combined development expertise, paired with the latest advances in artificial intelligence. We build AI applications for our clients and use AI to optimize our development process. Based in Lausanne, in the heart of the Swiss Health Valley, we specialize in building iOS and Android applications using React, React-Native, and Expo technologies, enabling fast and cost-effective cross-platform development. Our expertise extends to AI-powered applications, with integrations for OpenAI, Anthropic Claude, Google Gemini, DeepSeek, and custom Machine Learning and Deep Learning algorithms. We deliver complex integrations with third-party systems, REST APIs, databases, and cloud services. We have collaborated with major digital health players in Switzerland such as CHUV and HUG, as well as research projects from EPFL, HEIG-VD, and startups from the EPFL Innovation Park. Our front-end developers master React, NextJS, TypeScript, and the latest web technologies. Our back-end developers are experts in NodeJS, Python, Firebase, and PostgreSQL. Our full-stack engineering team ensures results of the highest quality for your smartphone, tablet, smartwatch, IoT connected devices, or web platform applications. Our UI/UX designer creates modern and intuitive interfaces following best practices in ergonomics and accessibility. Whether you are a startup, a research spin-off, an SME, or a large enterprise, Appik Studio combines the technical expertise and rigor of large organizations with the flexibility, responsiveness, and velocity of an agile Swiss team.