100% free · No signup · Works on your phone
Black notes to white PDF. A4 & ready to print.
Drop your PW, Unacademy or ALLEN notes. Every black page turns white and fits A4 — preview it, tweak it, download.
Drop your dark notes PDF here
or drop it here · preview & customise before you download
Preparing…
- Never uploaded — stays on your device
- A4, prints like normal notes
- Ready in seconds
Same notes. A fraction of the ink.
Drag the slider. This is exactly what the converter does to your pages.
NCERT books PDF, every chapter free.
All 194 chapters of the Class 9, 10, 11 and 12 NCERT textbooks. Read online in a fast reader or download — chapter-wise or the full book as one PDF. No login.
Browse NCERT PDFsCustomise every page before you print
Works great on autopilot. When you want more, it’s all one tap away.
Pick your pages
See every page, skip covers and ads, drag to reorder, add more PDFs.
Smart invert
Auto flips only dark pages — or choose all, none, or page by page.
Remove logos
Erase header and footer strips with coaching logos and watermarks.
Brightness, contrast, sharpen
Crisper text and a pure-white background, with a live preview.
Up to 64 slides per page
Any grid from 1×1 to 8×8, portrait or landscape, your margins.
Black & white
No colour ink at all — perfect for the Xerox shop.
Three steps. No learning curve.
- 1
Download your notes
Save the notes PDF from your coaching app or website to your phone or laptop.
- 2
Preview & customise
Black pages turn white automatically. Skip pages, remove logos or fit up to 64 slides per page if you like.
- 3
Print
Print at home or send to the Xerox shop. Ask for A4 at 100% scale.
Why convert dark coaching notes before printing?
Most online coaching notes — PW class notes, Unacademy slides, ALLEN and Aakash digital lectures — are exported from a dark digital board: white writing on a black page. On paper that means nearly the whole sheet is covered in toner. Converting the PDF to a white background with dark text keeps every word, formula and diagram, but prints only the writing.
Padhle Beta measures every page, inverts only the dark ones, cleans the leftover grey to pure white, and fits the result onto A4 — portrait or landscape, whichever makes your slides biggest. The file you download is ready for your home printer or the Xerox shop at 100% scale.
A4 layouts for a 100-slide chapter
| Slides per A4 | Best for | Paper |
|---|---|---|
| 1 | Diagrams, small labels | 100 sheets |
| 2 | Board notes & slides (best balance) | 50 sheets |
| 4 | Revision booklets | 25 sheets |
| 6 | Formula sheets, quick recap | 17 sheets |
Guides by platform
Print PW notesPrint Unacademy notesPrint Vedantu notesPrint ALLEN notesPrint Aakash notesPrint BYJU’S notesPrint Motion notesPrint Competishun notesPrint eSaral notesPrint Apni Kaksha notesPrint Next Toppers notesPrint MathonGo notesCollege lecture slidesDark code screenshots
However you search for it
Black background PDF to whiteInvert PDF coloursDark mode PDF to lightRemove black background from PDFChange PDF background colourConvert notes to A4 printablePrint notes without wasting inkBlackboard notes to whiteNegative PDF to positivePDF background white kaise kareNotes print karne ka tarika NEET notesJEE notes
12 more tools. One tap each.
Print cheaper, combine chapters, shrink files for WhatsApp — all in your browser, nothing uploaded.
- Pages per Sheet4 slides on one pageFit 2, 4, 6 or 9 slides on one A4 sheet. Cut your printing bill by up to 89%.Up to 89% less paper
- GrayscalePrint with black ink onlyStrip colour so your printer uses black ink only. Colour cartridges stay untouched.Colour ink untouched
- MergeAll chapters, one PDFCombine several PDFs into one document, in the order you choose.Drag to reorder
- SplitOne big PDF → chaptersBreak one big PDF into several smaller files — by range, every N pages, or page by page.By range or every N pages
- ExtractKeep only the pages you needPull out only the pages you need into a new PDF — one chapter, one topic, one formula sheet.Perfect for formula sheets
- OrganiseReorder & delete pagesDrag pages into order, rotate sideways ones, and delete covers or ad pages — visually.Visual thumbnails
- RotateFix sideways pagesRotate every page, or just the sideways ones, and save the rotation permanently.Saved permanently
- CropTrim margins, print biggerTrim wide margins or header/footer strips so the content prints larger.Bigger, clearer text
- Page NumbersNumber every pageStamp page numbers on every page so printed notes stay in order.Printouts stay in order
- CompressSmall enough for WhatsAppShrink big PDFs so they send on WhatsApp, email or upload portals.Send big PDFs easily
- PDF → JPGPDF pages → imagesTurn PDF pages into JPG or PNG images — for WhatsApp status, slides or flashcards.JPG or PNG
- Image → PDFPhotos of notes → one PDFCombine photos of handwritten notes, textbook pages or whiteboards into one PDF.Straight from your camera
Frequently asked questions
How do I convert black background notes to a white PDF?
Choose your PDF in the converter at the top of this page and click “Convert to white PDF”. Dark pages are turned into white pages with dark text, fitted to A4, and the new PDF downloads automatically. It takes a few seconds and works on phones too.
How do I print PW notes without wasting ink?
Convert the class-notes PDF to white here first, then print the converted file. Choose 2 slides per A4 sheet to also halve the paper. See the step-by-step PW guide for recommended settings.
Will the converted notes be A4 size?
Yes. By default every page is fitted and centred on A4 (portrait or landscape, whichever makes your pages biggest), so it prints at 100% without cropping. You can also keep the original page size.
Can I choose which pages to include, or remove coaching logos?
Yes. After you choose a PDF, an editor opens with every page as a thumbnail. Untick pages to skip them, drag to reorder, invert page by page, erase header/footer strips with logos, and adjust brightness, contrast and sharpness with a live preview.
Can I print 2 or 4 slides on one page?
Yes — pick 2, 4 or 6 slides per A4 sheet in the converter options. For white PDFs that do not need converting, use the Pages per Sheet tool.
Where can I download NCERT books PDF for free?
On Padhle Beta’s NCERT PDF page — every chapter of the Class 9, 10, 11 and 12 NCERT textbooks, free to read online or download, chapter-wise or as a full book. No login.
Is Padhle Beta really free?
Yes — completely free, no signup, no watermarks, no page limits.
Do my files get uploaded to a server?
Never. Every tool runs in your browser. Your PDFs are processed on your own device — you can even turn off the internet after the page loads.
Will this work on my phone?
Yes. It works in Chrome on Android and Safari on iPhone. Very large PDFs (300+ pages) are faster on a laptop.
How is this different from other dark-to-light converters?
Auto mode only inverts dark pages (so white question pages stay white), a clean-up pass removes grey haze for a truly white background, output is A4 by default, and you get 13 other free PDF tools — with no sign-in and no uploads.