HyperPDF Tools · Free
A PDF editor inside your browser: merge, delete pages, compress, handle comments
Everything you would normally use an online converter for — without sending the document to anyone. Files are processed in the tab's memory and are gone when you close it.
- Price
- Free
- Data sent out
- None — everything runs in your browser
- Browsers
- Chrome, Edge, Opera, Brave, Arc, Yandex Browser
- Version
- 2.1.1
- Size
- 1.1 MB
- Interface languages
- English, Russian
- Category
- Tools
Online PDF converters are convenient right up to the moment your document contains a contract, an ID or internal reporting: the file lands on someone else's server and what happens next is out of your hands. HyperPDF does the same jobs inside a browser tab, so the document never leaves your machine.
The second job is comments. Reviewer feedback often gets lost in forwarding or simply does not render in free viewers. HyperPDF shows highlighted passages, authors, dates and reply threads, and can write it all back into the PDF as standard annotations or print it in the margins with numbered flags.
What it does HyperPDF
Merge files
Drag several PDFs into the window and they combine into one document in the order you choose.
Delete and reorder pages
Remove unwanted pages in a click and rearrange the rest with the mouse.
Rotate by 90°
Straighten sideways scans page by page.
Export selected pages
Tick the pages you need and save them as a separate file — handy when only the appendix should go out.
Compress at 150 / 110 / 72 DPI
Three presets, from barely noticeable loss to the lightest possible file for email.
PDF from images
Turn JPG and PNG files into a single PDF — for scans, photographed documents and signed forms.
Read reviewer comments
Notes, highlights and underlines with author, date and the quoted passage; reply threads are shown in full.
Add your own comments
Reply inside existing threads or leave new notes, then save them as ordinary PDF annotations or print them in the margins with numbered flags.
How to use it
- Click the HyperPDF icon and drag one or more PDFs into the window.
- Build the page order you need: delete, rotate, drag to rearrange.
- Pick a compression preset if the file has to get smaller — 150, 110 or 72 DPI.
- Save the result to your computer. The original file is left untouched.
Who it is for
- Combine a contract, its appendices and an invoice into one file
- Drop blank and unwanted pages from a scan
- Shrink a report until it fits your mail server's limit
- Turn photos of signed paperwork into a tidy PDF
- Work through reviewer feedback without buying a paid editor
How to install
Open the extension page
Click “Add to Chrome” — it opens the official Chrome Web Store listing.
Confirm the install
Chrome shows the permissions. Press “Add extension” to confirm.
Pin the icon
Click the puzzle icon next to the address bar and pin the extension so it stays visible.
Open it
Click the icon. No account, no payment, no configuration needed.
Edge, Opera, Brave, Arc and Yandex Browser install it the same way — they are Chromium-based and open the Chrome Web Store directly. If your browser asks for extra confirmation, choose “Install anyway”.
Frequently asked questions
Where are my documents uploaded?
Nowhere. Processing happens in the tab's memory; there are no servers, no analytics and no accounts. Close the tab and the files are gone from memory.
How do I compress a PDF to fit an email limit?
Open it in HyperPDF and choose the 110 DPI preset for a balanced result, or 72 DPI for the smallest file. Note that compression rasterises pages, so comments are not kept in the compressed version.
Can I merge several PDFs into one?
Yes — drag the files into the window, arrange them in order, and save the combined document.
Does it open password-protected files?
No. Remove the protection in the application that created the file first.
Is PowerPoint supported?
No, HyperPDF works with PDFs and images. For shrinking presentations use HyperCompress.
Is it free?
Completely — no subscription, no file limits, no watermarks.
Other extensions in the set
HyperVideo
Finds every video a page loads, shows its real size and duration, and saves it in the quality you pick. Handles HLS (m3u8), DASH (mpd), MP4 and screen recording with audio.
Learn more →HyperScreen
Captures an entire web page automatically, including modern apps where an inner container scrolls instead of the page. Opens an editor right away: crop, brush, eraser, export to PNG, JPG or PDF.
Learn more →HyperCompress
Two modes: fit under a size limit (20 MB by default) or squeeze as hard as possible. Everything runs offline, inside the browser.
Learn more →