PDF guides that keep files private
Step-by-step help for everyday PDF jobs. Every tool we write about runs in your browser, so your files never leave your device.
Compress PDF
Make a PDF smaller. Open Compress PDF
- Reduce PDF file size without losing qualityMost big PDFs are big because of pictures, not words. Shrink the pictures to what the page needs, and the file gets far smaller while the text stays exactly as sharp.
- PDF too large to email? Shrink it to fitGmail takes attachments up to 25 MB and Outlook.com up to 20 MB, and a few scanned pages can pass that. Here is how to make your PDF small enough to send.
- Why is my PDF so large?A full page of typed text needs only a few kilobytes. If your PDF runs to many megabytes, something else is filling it. Here is how to find out what, and how to fix it.
Resize PDF
Fit a size in KB, or A4. Open Resize PDF
- Reduce a PDF to 100 KB and keep it readableExam, job and government portals often refuse PDFs over 100 KB, 200 KB or 1 MB. Here is how to get under the limit with every word still readable.
- Change a PDF's page size to A4, with nothing cut offTurn Letter, Legal or odd-sized pages into A4 right in your browser. Nothing is cropped or stretched, the text stays sharp, and links keep working.
- A4 or Letter? Which size to send abroadA4 and Letter look alike but are not the same. Here is how they differ, where each one is used, and which to put on a PDF you send to another country.
Compress PDF to 200 KB
For 200 KB upload limits. Open Compress PDF to 200 KB
Merge PDF
Join PDFs into one. Open Merge PDF
- Merge PDFs on your phone without an appJoin PDFs from WhatsApp, email or Google Drive into one file, right in Safari or Chrome. Here is every tap, where the file is saved and how to share it.
- Combine your application documents into one PDFResume, cover letter, certificates and ID proofs as one tidy file that fits the portal's limit. The whole job, from phone photos to upload, done on your own device.
- Merge PDFs without Adobe Acrobat, free on Windows and MacThe free Acrobat Reader opens PDFs but doesn't combine them. Here is what your computer can already do, where it falls short, and a free way that needs no install.
Split PDF
Take pages out. Open Split PDF
- Extract pages from a PDF and keep only what you needTake a few pages out of a long PDF as a new file, on your phone or computer. Your original stays whole, and nothing is uploaded.
- Split a large PDF into smaller filesCut a big PDF into parts every few pages or by your own ranges, then get each part under an email or upload limit. The file never leaves your device.
- Split a PDF into single pages and save each one as its own fileTurn one PDF into a separate PDF for every page, on your phone or computer. All the pages come together in one ZIP file, and nothing is uploaded.
JPG to PDF
Photos into a PDF. Open JPG to PDF
- Convert photos to PDF on your phonePick photos from your gallery, put them in order and save them as one PDF, right in Safari or Chrome. No app to install, and your photos never leave the phone.
- Combine many pictures into one PDFTen receipts, forty pages of notes or a folder of screenshots: here is how to turn them into one tidy PDF, in the right order, at the right size.
- Scan documents to PDF with your phone cameraNo scanner? A phone photo of each page, taken with a little care, makes a PDF that offices and upload portals accept. Here is how to do it well.
PNG to PDF
Screenshots into a PDF. Open PNG to PDF
- Combine screenshots into one PDFA ticket, a payment, a long chat: put the screenshots in one PDF, in the right order, and send a single file. Here is how to do it well on a phone or a computer.
- Transparent PNG to PDF: what happens to the backgroundA PDF page is paper, so the see-through parts of a PNG turn white. Here is what that means for logos, signatures and shadows, and how to check that nothing else is lost.
Word to PDF
DOCX into a PDF. Open Word to PDF
- Convert Word to PDF without Microsoft OfficeYou have a Word file and no Word. Here is how to get a PDF from it on any phone or computer, how the free ways compare, and how to check the result before you send it.
- Word to PDF in Hindi and other Indian languages with every letter in placeHindi, Bengali, Tamil, Telugu and five more scripts can go from Word to PDF with joined letters and vowel signs kept. Here is how, what to check, and what can still go wrong.
PDF to JPG
Pages as pictures. Open PDF to JPG
- PDF to JPG in high quality: which DPI to chooseSharp pictures of PDF pages come down to one setting: how many pixels each inch of the page gets. Here is how to pick it for screens, printing and zooming.
- Save one PDF page as a pictureNeed just page 3 as a JPG, for a chat, a slide or a form? Here is how to get exactly that page, at the right size, on a phone or a computer.
- Turn a PDF into a JPG that the form will acceptMany forms only take pictures, with a limit in KB and sometimes a size in pixels. Here is how to get a JPG that fits, and what to do when it doesn't.
PDF to PNG
Pages as lossless PNGs. Open PDF to PNG
- Convert PDF to PNG in high resolutionThe sharpest PNG this tool makes has 300 pixels for every inch of the page. Here is how to get it, how many pixels each job really needs, and when a bigger picture is wasted.
- PNG or JPG for a PDF page? Pick by where it is goingTyped pages usually suit PNG and scans suit JPG, but where the picture ends up matters too. Here is how to choose for chats, social posts, slides and forms.
PDF to Word
Editable Word files. Open PDF to Word
- Convert PDF to Word without losing formattingNo converter keeps every detail, but a good one keeps most. Here is what stays, what changes, how to fix it in Word, and why a scanned PDF is a different story.
- Turn a PDF into an editable Word file on your phoneDo it in Chrome or Safari: pick the PDF, tap Convert, then open the Word file in an app you already have. No sign-up, no watermark, and your PDF stays on your phone.
Rotate PDF
Turn pages upright. Open Rotate PDF
- Rotate a PDF permanently and save the turnYour reader's rotate button often turns only your view. Here is how to save the turn into the file itself, on a phone or a computer, without losing any quality.
- Fix a scanned PDF that came out sideways or upside downScanners and phone scan apps often save a page or two the wrong way round. Turn just those pages, keep every pixel, and scan the right way up next time.
- Rotate specific pages of a PDF and leave the rest aloneTurn page 7, or pages 3, 9 and 14, or everything except two. Here is how to pick the pages, fix a slip and be sure that only the right pages changed.
Organize PDF
Reorder and delete pages. Open Organize PDF
- Rearrange PDF pages into any order you likeDrag pages into a new order, undo any slip and mix in pages from another PDF. It all happens in your browser, so even a private file stays on your device.
- Delete pages from a PDF, blank ones includedRemove one page or twenty, including the empty backs of a scan, and save a new PDF. The pages you keep lose no quality, and your file stays on your device.
- Replace a page in a PDF without redoing the restSwap an old page for a corrected, signed or rescanned one in a few moves: add the new page, drag it into place, delete the old one. Your files stay on your device.
Add Page Numbers
Number the pages. Open Add Page Numbers
- Add page numbers to a PDF report, thesis or assignmentYour project report, thesis or assignment needs numbered pages. Here is how to number a PDF in your browser, pick the right corner and style, and check every page before you submit.
- Start page numbers on page 2 or 3 and skip the coverLeave the cover bare, start numbering on page 2 or 3, and decide what number the first numbered page shows. Here is how the settings work together, with a worked example.
Add Watermark
Stamp text or a logo. Open Add Watermark
- How to add a watermark to a PDF free, with nothing uploadedStamp DRAFT, CONFIDENTIAL, your own words or your logo across a PDF, right in your browser. Here is how, with ready settings for the jobs people do most.
- Watermark your ID copy before you share it for KYCA watermark can't hide your Aadhaar or PAN number, but it marks a copy with one purpose and one date. Here is how to add it in your browser, nothing uploaded, and what else to do.
PDF Viewer
Read and search. Open PDF Viewer
- Open a PDF without Adobe Reader on any phone or computerYou almost certainly have a PDF reader already. Here is where to find it, when a browser viewer works better, and what to do when a PDF won't open.
- Search for words in a PDF, and fix it when nothing is foundCtrl+F finds a word in most PDFs in a second. When it finds nothing, the cause is almost always in the file, and you can usually tell which in a minute.
- Open a large PDF without it freezing or hangingA PDF with hundreds of pages, or hundreds of megabytes, can make a phone hang. Here is why, how to read one smoothly in your browser, and what to try when it still struggles.
Compare PDF
Find what changed. Open Compare PDF
- Compare two PDF files and see exactly what changedAdd the old and the new version, and every word that was added, removed or changed is marked on the pages. Here is how it works, how to read it, and what it can't see.
- Check a revised contract before you sign itCompare the final copy word by word with the version you agreed to, so no changed figure, date or clause slips through. A practical checklist, with the limits made clear.
- Find what changed between two drafts of a documentSomeone edited your file and sent it back with nothing marked. Here is how to see every word that was added, removed or changed, and to check that your corrections went in.
Unlock PDF
Remove a password you know. Open Unlock PDF
- Remove the password from a bank statement PDF when you know itType the password once and get a copy that opens without it, ready for loan, visa or job portals that turn locked files away. Your file and password never leave your device.
- PDF password vs restrictions: why it won't open, print or copyThese are two different locks. One hides the file until you type a password. The other lets everyone in but asks apps not to print or copy. Here is how to tell them apart.
Protect PDF
Add a password. Open Protect PDF
- Password protect a PDF for free, on any deviceLock a PDF so it asks for a password before it opens, right in your browser. Here are the steps for phones and computers, how to pick a password, and how to send it safely.
- Stop others copying, printing or editing a PDF and what really worksYou can ask PDF apps not to let people print, copy or change your file. Here is how, what these blocks really do, where they fail, and what to use when you need more.