Point Portal at your Zotero folder. Every new paper is automatically translated into a bilingual PDF — layout preserved, LaTeX intact. No copy-paste. No manual formatting.
Free. Unlimited. Bring your own API key.
Three steps. One less thing to think about.
Point Portal to your Zotero attachment folder. One-time setup.
Drag a PDF into Zotero — just like you always do.
Open the bilingual PDF from your output folder. Done.
Everything you need. Nothing you don't.
Point Portal to your Zotero folder. From then on, every new PDF is automatically processed. No manual steps. No extra clicks.
A bilingual PDF with your language on the left, the original on the right. Line by line, perfectly aligned. No switching tabs.
LaTeX equations are detected and preserved in the original format. No garbled symbols. No broken formulas. Your math stays math.
Portal never sees your papers. You bring your own API key — the translation goes directly from your machine to the AI provider. No middleman. No storage. No training data.
Start free. Upgrade when you need more.
For the independent researcher.
$0
Unlimited, forever.
For the workflow power user.
$4.99
per month — or $49/year
Be the first to know when Portal is ready. No spam, ever.
⚡ 2 free trial papers on first install. No API key needed to start.
Yes, Portal currently integrates with Zotero attachment folders. Zotero is free, open-source, and widely used in academia.
No. The first version (bilingual PDF) works for everyone. Obsidian Markdown export will be added as a Pro feature later.
PDF processing happens entirely on your machine. The text is sent directly from your computer to the AI provider using your own API key. Portal never stores, caches, or inspects your content.
All languages supported by Claude/GPT models (50+). Primary focus is English-to-any at launch, with more language pairs based on demand.
Not necessarily. You can use our managed engine via Pro subscription, or bring your own API key for unlimited free use. You also get 2 free trial papers on first install — no key needed to try it out.
Yes. Portal can batch-process your existing Zotero library on first setup.