Up to 200 MB at a time. On a phone, large documents take longer and need more memory.
Choose exactly two PDF files: the old version first, then the new one. Text and appearance are compared page by page. A different font or scan resolution can show up as a difference even when the content is the same.
Choose a PDF or drop it hereChoose PDF files or drop them hereChoose JPG, PNG or WebP images or drop them hereUp to 200 MB at a time. On a phone, large documents take longer and need more memory.Working…Processing page {n} of {total}…Done. Download your file.Choose a file first.The selected files are over 200 MB. Pick a smaller file or fewer files.“{name}” is empty. Choose another file.“{name}” is not a PDF. Choose a PDF document.“{name}” is not a JPG, PNG or WebP image. Choose a supported format.This PDF is password-protected. Open it in a program where you have access, save a copy without the password and try again.Not enough memory for this job. Choose a smaller file, a lower resolution or fewer pages.The processing library didn't load. Refresh the page and choose the file again.This file can't be processed. It may be damaged or use an unsupported encoding. Save a fresh copy and try again.The PDF has no pages to process.Enter pages from 1 to {count}, for example 1-3,5. The end of a range can't be lower than its start.The result would use too much memory. Choose fewer pages or a lower resolution.“{name}” is too large to process in the browser. Resize it to 16 megapixels at most and no more than 10,000 pixels on the longer side.Download {name}Move upMove downRemovePage {n}Pages: {n}Loaded: {name}. Pages: {n}.Order updated. Download the new file when you've finished.Can't show a preview of page {n}.Choose just one file.Add at least two PDF files to merge.Keep at least one page.Pages (leave empty for all pages)For example 1-3,5,8-10. The first page is page 1.Bring back all pagesDrag to change the order, or use the arrow buttons. Remove anything you don't want in the result.JPEG qualitySmaller file (55%)Medium quality (75%)Better quality (90%)Image resolution96 dpi144 dpi200 dpiTo keep things stable on phones, each image is capped at 4 megapixels. Larger pages get a lower resolution automatically.Keep the original. Editing a PDF can invalidate a digital signature, and special features, forms and bookmarks may not carry over to the new file.Before: {before}. After: {after}. {percent}% smaller.Before: {before}. After: {after}. The new file isn't any smaller. If you don't need other changes, keep the original.Enter margins between 0 and 40 mm.Images selected: {n}.Compare versionsRotation from the original90° clockwise180°270° clockwise (90° anticlockwise)Choose filesTurn on JavaScript in your browser to process files.Settings changed. Run it again.Selected documentPreview before you downloadKeep working on this fileFile for the next stepNext stepContinueDelete temporary filesTemporary transfer files deleted.The file is kept for a short time in this browser only. It's deleted as soon as the next tool picks it up, or on your next visit after 15 minutes at the latest.Passing files between tools doesn't work in this browser. Download the result and choose it in the next tool.The transfer has expired, was already used or isn't available. Choose the file from your device.Compress PDFMerge PDFRotate PDFExtract pagesInsert pagesCrop marginsChange page sizePages per sheetMerge fronts and backsRemove blank pagesAdd page numbersHeader & Bates numberingAdd a watermarkConvert to greyscaleFlatten forms and commentsEdit metadataEdit bookmarksSplit by size or bookmarksSplit by page rangesConvert to JPGDelete or reorder pagesCheck the values you entered. Numbers must be within the range shown.Type the text you want to add.Choose the second file too.Choose exactly two PDF files.Find blank pagesTick the pages to remove. Look at each one before you confirm.No blank pages found. You can still tick pages to remove by hand.Possibly blankThis page has contentRemove page {n}Each line should read: page number | title. The page must exist in the document.The document has no bookmarks pointing to pages. You can add them with the Bookmarks tool.You can't remove every page. Keep at least one.Files loaded: {n}.You can pick several PDFs. Each gets its own result, and you can also download them all as one ZIP.Second fileChoose another fileNumber positionBottom centreTop centrePages are turned into images of up to 144 dpi (4 megapixels per page at most). Searchable text, links, bookmarks and fillable forms don't carry over. Check the preview first.Keep the original. Layout and content stay visible, but forms, links and comments are dropped when pages are combined. Digital signatures stop being valid.Start atBottom centreTop centreFont size (pt)Pages (leave empty for all pages)Choose exactly two PDF files: the old version first, then the new one. Text and appearance are compared page by page. A different font or scan resolution can show up as a difference even when the content is the same.Current bookmarksResult pagePreviousNextDone. The source had forms, links or comments, so the pages were turned into images to keep how they look. Text search and interactive features don't carry over.Merge the images into a PDFSign PDFFill in a formEdit PDFRedact data permanentlyProtect with a passwordRemove a known passwordRepair PDFConvert to PDF/APage to editChoose what to add and where. Add it with the button or drag your finger across the preview. Position and size are in percent of the page.From left edge (%)From top edge (%)Width (%)Height (%)TextWhat to addAdd to pageUndo last additionClear additions on this pageDraw signatureType signatureSignature imageInitialsDateTextRectangleEllipseLineHighlightNotePermanent redactionHow to signArea for drawing your signature with a finger or mouseClear drawingJPG, PNG or WebP imageColourPassword to openRepeat the new passwordOwner password for changing restrictionsPrintingCopying text and imagesEditing the documentAllowedRestrictedThis is my file, or the owner has allowed me to remove the protection.Enter the password you know. Protection is never bypassed.Wrong password. Enter the password you know and try again.The passwords don't match. Type the new password again.The password to open must be at least 8 characters.For restrictions, enter a different owner password of at least 8 characters.Confirm that you have the right to remove protection from this file.Choose just one file for this change.Add at least one item to the page.Choose the signature or image first.Draw your signature first.This PDF has no fillable fields. To type over a scan, use Edit PDF.This field isn't supported: {name}. Use the program the form was made in.Form fieldsKeep the fields editableLock the filled-in fieldsThis is a visible image of a signature with no certificate behind it. It is not a qualified electronic signature. Keep the original; any existing digital signatures become invalid once the file is changed.Every page is redrawn as an image of up to 144 dpi, 4 megapixels at most. Text, attachments, links, forms and metadata from the original are left out. The black areas contain none of the original data.PDF/A-2b keeps how the pages look by storing them as images of up to 144 dpi, 4 megapixels per page at most. Text is no longer searchable; forms, attachments, links and signatures don't carry over. If you're submitting it somewhere, check their requirements too.Repair rebuilds the PDF structure when objects and pages can still be read. It can't bring back lost bytes, unreadable images or missing pages. Keep the original.AES-256 encrypts the content. Print, copy and edit restrictions are only honoured by programs that support them. If you lose the password, we can't recover it.Enter the user or owner password you know for your own document. There's no password guessing and no getting round someone else's protection.Standard PDF forms (AcroForm) are supported: text fields, tick boxes, radio buttons and lists. XFA, calculations and digital signature fields are not. For a scan without fields, use Edit PDF.Additions are drawn on top of the page; existing text isn't changed. Notes and highlights stay visible in the new copy. For confidential data, use Redact data permanently.Choose a PDF first.Items added: {n}.Loaded: {name}. Enter the password you know and start.The PDF is encrypted with AES-256. The preview stays hidden until you open the document with its password.The new structure has been saved. Check every page before you replace the original.Image-based PDF/A-2b copy saved, with an embedded sRGB profile.The data has been blacked out for good in a new image-based copy. Check every marked area before you share it.This form uses XFA or has a digital signature. Open it in the program it came from; we don't change it here.The item runs off the page or the text is too long. Use a smaller font or resize the area.Check the text length and values in the form fields.ImagePage preview with additionsBefore saving you can still move and add items. The original content stays underneath.Show passwordThe password isn't kept in the address bar, browser history or temporary transfer.No extra restrictionsForm saved. Check the filled-in values in the preview.Save the PDF tools for offline useSaving the PDF pages and programs, including OCR languages and the Office add-on (about 110 MB). Your documents are not stored in this cache.The PDF tools are saved for offline use in this browser. Passwords and documents are not in the cache. The browser may clear the cache later to free up space.Saving for offline use didn't work. Check your connection and free space; downloading results still works.Recognise text (OCR)Extract textConvert to WordExtract tables for ExcelConvert to PowerPointExtract imagesCompare PDF filesConvert to PNG or WebPImage formatPNG (lossless)WebP (smaller file)Language of the scanned textSerbian (Cyrillic)Serbian (Latin) / MontenegrinCroatianBosnianEnglishGermanRussianText recognition runs on your device. Pick the language of the text. Small print and poor scans mean more mistakes, so check names and numbers. Handwriting isn't supported. Pages stay as images with a new searchable layer.Loading the text recognition program…Recognition finished. Check the recognised text, especially names and numbers. Pages are images with a searchable layer; forms and links were not carried over.There's no text to extract. If the document is a scan, run OCR first.Recognise text in a scanNo extractable raster images found. Drawings and text aren't images; to get a whole page, use PDF to PNG.No table with at least two columns and two rows was found. Check that the PDF contains text, or run OCR first.Word gets the paragraphs and extracted raster images, page by page. Columns, fonts, forms and complex layouts won't come across exactly. For scanned documents, run OCR first.Tables are worked out from where the text sits. Each page with a table gets its own sheet. Check columns, merged cells and numbers; formulas aren't carried over. Run a scan through OCR first.Each page becomes one slide with an image of up to 144 dpi and 4 megapixels. Text and objects on the slide can't be edited separately. Pages of different sizes are fitted to the size of the first slide.Conversion finished. Check the preview and content before you replace your working copy.The converter only loads once you start (about 30 MB). It needs about 1 GB of memory; on a low-end phone, use a computer. Fonts and layout may shift. Macros and external links are not run.This browser can't handle Office conversion locally or is short of memory. Try a recent browser on a computer.Loading the Office converter (about 30 MB the first time)…Conversion failed. The document may be damaged or password-protected, or there isn't enough memory. Save a copy without a password and try on a computer.Choose a supported Office document. The file extension and contents must match the format.Choose a HEIC or HEIF photo. Renaming a JPG to .heic doesn't change its format.Each photo gets its own PDF page. The main image of every HEIC file is used; Live Photo motion, depth data and extra frames are left out. Check the orientation and colours, especially with HDR photos.Page sizeA4, portraitSame as the photo (96 dpi)Margin in millimetresHTML content (or choose a saved .html file)Paste HTML or choose a saved page. Plain text, headings, lists and tables come across. Scripts, external images, styles and network requests are switched off. No website address is opened here.Paste HTML with some visible text or choose an .html file.The HTML is ready. Check the content, then start.Choose exactly two PDF files: the old version first, then the new one. Text and appearance are compared page by page. A different font or scan resolution can show up as a difference even when the content is the same.First file (old version)Second file (new version)Text differencesThe text is identical.Page {n}: {percent}% of pixels changed.Green marks content from the first version, red from the second. Grey means they match. Differences below a threshold of 20/255 are ignored.Comparison finished. Download the report and look through the marked pages.Extracted text previewPreview of the imagesPreview of the extracted tablesShowing the start of the result; the full content is in the download.Pages saved: {n}.This browser can't save the chosen image format. Choose PNG and try again.Word back to PDFExcel back to PDFPowerPoint back to PDFAdvanced settingsCancelCancelled. You can try again.Start over← Change settings+ Add moreDone: {name} is readyPreviewKeep working on this fileRecognise text on scanned pagesLanguage of the scanned textFind sensitive dataCheck the suggestions and untick anything you want to keep.No sensitive data found.By bookmarksBy textEvery N pagesText that starts a new partPages per partpotpisi-pdf,zastiti-pdf,kompresuj-pdf,spoji-pdf,rotiraj-pdf,podeli-pdfResize; use the arrow keys for fine adjustmentThe file stays on your device. No sign-up.ImportantClose previewChoose a PDF fileChoose PDF filesSelect all pagesKey sentencesAll PDF toolsChoose another file
Your file stays on your device. No sign-up, no limits.
Comparing PDF files shows what changed between two versions. Text differences are marked, and overlaid pages show where drawings, layout or the scan itself differ. Add the old version first, then the new one. Pages are matched by number, so one inserted page shifts the comparison for every page after it.
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How it works
The tool doesn’t judge whether a change matters legally; it only shows that it is there. If a whole page lights up but the text is the same, the cause is probably a different font or scan resolution.
Choose both files and press “Compare versions”. The report lists text changes page by page, and you can download it.
Worked example
Your bank sends a new version of the loan agreement without saying what changed. The report shows the arrangement fee has gone from 1% to 1.5%. On the overlaid page 4 you can see exactly where: green is the old text, red the new.
Questions people ask
Does it work with scanned PDFs?
Yes, but only on how the pages look. To compare the actual words, run both scans through OCR PDF first.
What do the colours mean?
Green is content from the first version and red from the second. Anything that matches stays grey.
Can I compare two Word documents?
Convert both with Word to PDF first, then compare the PDFs. Use the same conversion mode for both, or the layout may differ for no real reason.
Are my contracts uploaded for the comparison?
No. Both files are compared in your browser and never leave your device.