DevEduNotes PDF Editor Toolkit — Pro

Now with Crop · Rotate · Organize · Flatten (Phase-2)

Theme

Light Dark

Select PDFs to merge

Merge Clear

Split PDF (by range)

From To Split Clear

Images → PDF

Instagram 1080×1350 A4 Original Create PDF

PDF → Images (PNG) + ZIP

Instagram 1080×1350 A4 Original Convert Clear

Rendered pages below. Click image to download single page.

Download All ZIP

Compress PDF (quality dropdown)

Quality 0.70 0.80 0.85 0.90 0.95 Compress Clear

Estimated (sample): —

Add page numbers

Font size Start Add Numbers

Add centered image watermark (all pages)

Size0.200.400.60 Opacity0.20.40.60.81.0 Apply

Add custom text (all/single/range)

Apply AllSingleRange Page # Range

Text Font size Color PositionTop-leftTop-rightBottom-leftBottom-rightCenter Add Text

Crop PDF pages (pixels relative to page) — apply to All or Range

Apply AllRange Range

Crop (px) Left Top Right Bottom

Crop Clear

Crop uses canvas rendering: pages are rasterized and the cropped area embedded into new PDF. Good for trimming margins.

Rotate pages (All or Range)

Apply AllRange Range

Rotate 90°180°270° Rotate Clear

Rotation is done by rendering page to canvas and embedding rotated bitmap into new PDF.

Organize pages — load PDF to view thumbnails

Load Pages Clear

Save Organized PDF Add Blank A4 Page

Use Move Left / Move Right to reorder. Delete removes a page. Add Blank inserts a white A4 page at the end.

Flatten PDF (rasterize pages into images and rebuild PDF)

Quality 0.900.850.800.75 Flatten Clear

Flattening makes all content non-editable — good for finalizing documents.