Flip PDF Pages Online — Lossless Mirror Horizontally, Vertically or Both

No. Flipping creates a mirror image — text reads backwards. Rotation turns the page 90, 180, or 270 degrees without mirroring. Use our Rotate PDF tool if you need rotation instead.

No. WhiskFile uses lossless PDF coordinate transforms via pdf-lib. Text remains searchable and selectable, fonts are preserved, and vector graphics keep their quality. Unlike competitors that rasterize pages into images.

Three: Horizontal (left-right mirror), Vertical (top-bottom mirror), and Both H+V (simultaneous mirror in both directions). Most competitors only offer horizontal and vertical separately.

Yes. Use the All, Odd, or Even presets, enter a custom range like '1-5, 8, 10-20', or click individual page thumbnails to toggle selection.

Common uses: iron-on transfer printing (mirror before printing on transfer paper), screen printing and sublimation prep, correcting scanned documents placed face-down, creating reverse-side reference drawings, and duplex printing corrections.

Yes. The before/after side-by-side preview shows the original page next to the flipped version. Page thumbnails also display the flipped preview for selected pages so you can see the effect at a glance.

It mirrors the page in both horizontal and vertical directions simultaneously. Visually similar to a 180-degree rotation, but technically a double-reflected version — useful for specific printing scenarios.

Yes. WhiskFile copies the original title, author, subject, and creator metadata to the flipped output PDF.

Yes. Use horizontal flip to create a mirror image, then print on transfer paper. The design will read correctly when ironed onto fabric.

No. All processing happens 100% in your browser using pdf-lib. Your file never leaves your device. No account or signup required.

No. Processing uses lightweight PDF coordinate transforms in your browser, so even very large PDFs (500+ pages) process in seconds with no upload or server limit.

Yes. The Odd and Even presets let you flip only odd or even pages with one click — ideal for correcting duplex scanning errors or preparing double-sided print layouts.

WhiskFile is truly lossless — text stays searchable after flipping, unlike tools that rasterize. It offers Both H+V flip, Odd/Even page presets, custom page ranges, before/after side-by-side preview, flipped thumbnails, and metadata preservation. All free, client-side, no limits.

Yes. Flip PDF on WhiskFile is completely free with no account required. Free users get 7 tasks per day with files up to 50 MB. There are no watermarks on any plan. Pro plans ($4.99/month) unlock unlimited tasks, 500 MB files, batch processing, and API access.

Yes. Flip PDF runs entirely in your browser using WebAssembly. Your files are never uploaded to any server — they stay on your device throughout the entire process. No data is transmitted, stored, or accessible to WhiskFile or any third party.

Yes. Flip PDF works on any device with a modern browser — iPhone, Android, iPad, tablets, Chromebooks, and desktop computers. No app download required. The interface adapts to your screen size automatically.

Flip PDF accepts PDF files as input and produces PDF output. The maximum file size is 50 MB on the free plan (500 MB for Pro users). There are no page count limits.