04Case Studies
PDF Smooth
Edit any PDF, right in your browser
- Next.js
- React
- Client-side PDF
- TypeScript
- i18n
PDF Smooth lets anyone edit a PDF like a pro without installing software or trusting a server with their documents. The full editing pipeline — text, images, pen and highlighter, shapes, signatures, and page management — runs client-side, so documents are never uploaded. It's multilingual and free to edit, with a low-cost unlock to download.
Tech Stack
- Web
- Next.js, React, Tailwind CSS, TypeScript
- pdf-lib, Canvas, Client-side rendering
- Internationalization
- Multilingual UI
The Challenge
Most online PDF editors upload your files to a server — a privacy and compliance risk — while desktop tools require installs and licenses. People needed a fast, trustworthy way to edit a PDF without handing it over to anyone.
Our Solution
We built a fully client-side editor that loads and renders PDFs in the browser and performs every edit locally, exporting a polished PDF that matches exactly what the user sees. A simple pay-to-download model keeps editing free.
The Result
Users open and edit a PDF instantly, with zero uploads and nothing to install, on any modern browser. Privacy is guaranteed by design because documents never leave the device.
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