A free, privacy-first PDF toolkit that runs entirely in your browser. Annotate, sign, fill forms, convert images, merge, split and summarize PDFs — your files never leave your device.
- 100% private - every PDF is processed locally in your browser. Nothing is uploaded, stored on a server, or shared.
- Free & no account - no sign-up, no watermarks, no page limits.
- Fast & offline-friendly - once the page has loaded, the tools keep working without a network connection.
- Light & dark themes, and English / French - both remembered between visits.
| Tool | What it does |
|---|---|
| Fill with annotation | Draw on top of any PDF (even scanned ones): text, rectangles, circles, arrows, signatures and tick/cross stamps. Exports a flattened copy. |
| Editable PDF form | Fill the real form fields built into a PDF. Values are written back into the document, so it stays editable - or optionally flatten to lock it. |
| Images to PDF | Turn JPG, PNG or WebP images into a single PDF. Reorder pages, pick a page size, margins and quality. |
| Merge PDFs & images | Combine several PDFs (and images) into one file. Drag to reorder, keep only chosen page ranges (1-3,5), rotate, and add a text watermark. |
| Split PDF | Separate one page or a whole set into independent PDFs. Pick pages, then save each as its own PDF (bundled as a ZIP) or extract your selection into a single PDF. |
| AI Summarizer | Upload a PDF and get a concise summary with key points, plus a "ask this PDF" Q&A. Text is read locally; summarization uses your own Hugging Face token (see below). |
- Drag & drop files anywhere on the page.
- Saved signatures - store up to two signatures (kept in your browser), then click or drag them straight onto the page.
- Form drafts - long forms autosave as you type and offer to restore after an accidental refresh (kept locally, keyed to the exact file, expire after 7 days).
- Tidy exports - downloads are named after the original file plus what you
did and a timestamp, e.g.
contract_annotation_24_07_2026_14_35_12.pdf. - Keyboard & mouse friendly - move and resize annotations with handles; hold Shift for a perfect circle.
Ramz PDF Studio is client-side only. Your documents are opened, edited and saved entirely within your browser tab - there is no server that receives your files. Anything the app remembers (theme, language, saved signatures, form drafts) lives in your browser's local storage and can be cleared at any time.
One exception: the AI Summarizer sends the extracted text to the Hugging Face Inference API to generate the summary. The PDF itself is never uploaded, and this only happens if you choose to use that tool.
Just open the live app - no install, no setup.
Works in the current versions of Chrome, Edge, Firefox and Safari (desktop and mobile). JavaScript must be enabled.
Made by Hemant Ramphul.
If this tool saves you time, a ⭐ on the repo is appreciated - and you can buy me a coffee ☕.
- LinkedIn: https://www.linkedin.com/in/hemantramphul/
- GitHub: https://github.com/hemantramphul/
Released under the MIT License - free to use, modify and distribute. See LICENSE for the full text.