🧪 Demo. This page is filled with sample content so you can try every control. Summaries here are canned samples — no key is needed, and nothing you type is sent anywhere.
Zelpa Personal Web
This is Zelpa Personal in your browser — the same app, the same license key, and the same allowance as the Desktop app. Buy it once and both are yours: use the Desktop app at your computer, and this Web version from any browser when you're away from it.
There is no account and no sign-up. Your license key is kept only in this browser, on this device, and is sent only when you use the app. This server stores nothing — not your keys, not your text, not your summaries.
A license key is needed
Zelpa Personal works only with a valid license key — it is how your purchase is recognized.
No key yet? Zelpa Personal is sold on our store page. If you already bought it, your key is in your receipt email — the same key works in the Desktop app and here.
Supported: PDF (with a text layer), DOCX, PPTX, TXT, MD, HTML — up to 25 MB. Scanned PDFs can't be read (this app has no OCR — optical character recognition), and spreadsheets aren't supported.
The app fetches the page itself and pulls out the readable text. Pages behind a login or a paywall may refuse — for those, open the page, copy the text, and use Paste.
Options
Customization
How Zelpa Personal Web looks and reads. Everything in this section applies the moment you pick it; Save options (below) keeps it in this browser for next time.
Default (standard)
The Zelpa look exactly as it comes — deep plum, warm orange. This is the factory setting.
Dark
Darker than the standard look — near-black, for the darkest rooms.
Light
The same app on a white background — for bright rooms, and anyone who simply prefers it.
Standard
The writing at its usual size.
Large
Everything written noticeably bigger.
Extra large
The biggest writing the app offers.
Standard lettering
Your browser's usual lettering — the familiar one.
Serif lettering
Book-style lettering, like a printed page.
High-legibility lettering
Wide, open letters (Verdana-style) — similar letters are the easiest to tell apart in this one.
Standard colors
The Zelpa colors as designed.
Colorblind-safe colors
Accents and status colors move to distinctions that stay apart for color-blind eyes. Either way, nothing in this app is told by color alone — the chosen option is always marked with a heavy border, a check mark, and labels too.
100% — standard
The whole interface at its usual size.
125%
The whole interface a quarter bigger — buttons, pictures, and all.
150%
The whole interface half again as big.
Reduce motion — do not show the opening splash; the app keeps still.
Type of use
Hosted
Our service does the summarizing for you. You only need your license key — nothing else to set up. The text you summarize travels encrypted in transit (TLS — transport layer security) to the service, is used only to make your summary, and is never stored.
Bring your own key
Run on your own account, with your own API key (application programming interface key) — Anthropic (the standard), OpenAI, or Google Gemini; you pick below. Your key is kept only in this browser; when you summarize, your key and your text pass through this server once, in transit only, to that company — never stored, never logged. You need both your license key and your API key.
License key
Your key is saved only in this browser, on this device — never on our server. On a different browser or device, you enter it once there and it is saved there. Nothing syncs between them; that is the privacy design.
Your key (Bring your own key)
Which company's key will you use? Anthropic is the standard — Zelpa is built on it. Each company's key is saved separately in this browser, so switching never loses one.
Anthropic (standard)
The engine Zelpa is built and tested on — the pick that works exactly as intended.
OpenAI
Run Zelpa on your own OpenAI account instead, with your OpenAI API key.
Google Gemini
Run Zelpa on your own Google account instead, with your Google Gemini API key.
Zelpa is built to work as intended on the Anthropic engine. It will work under the other ones, but you won't necessarily get the exact same results.
Kept only in this browser. It is sent only to Anthropic, nowhere else. Leave blank to keep the saved key.
A summary that would likely push today's total past the cap is refused before it runs. The day's total is tracked in this browser. Default $1.00/day — a typical page summary costs well under a cent.
Hosted allowance
Your allowance refills each period. If you run out, you can upgrade your plan or buy a top-up on our store page — top-ups are added to your balance here as soon as the store confirms them.
About the Web version
The Web version is always the current version — there is nothing to download, install, or update. If a control ever looks stale, reload the page.
About
Zelpa Personal Web — version 0.1.0
It zips up what you missed: private, structured summaries of pages, files, and pasted text — right in your browser.
The same license key works in Zelpa Personal Desktop (Windows and Linux) and here on the Web — one purchase, both forms. Keys and settings are per device and per browser by design: nothing syncs, because nothing is stored.