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42 free PDF tools

Free Online PDF Editor

Fix, sign and organise PDF documents right in your browser.

PDF to PDF/ACreate experimental image-based archival pages targeting PDF/A-2b. Independent conformance validation is required. Original text and interactive content are removed.Annotate / Highlight / Draw on PDFAdd editable highlights, comments and freehand ink to your PDF.Add PDF LinksMark clickable areas with web or email links.Remove Only PDF LinksRemove link annotations while retaining other annotations and form fields.Manage PDF BookmarksLoad and edit page bookmark titles, order and destinations, or remove the outline.Remove Duplicate PDF PagesKeep the first occurrence of visually identical pages at screen resolution.Invert PDF ColoursInvert page colours and save an image-based PDF.Deskew Scanned PDFStraighten scanned pages automatically or by a chosen correction angle.Duplicate PDF PagesInsert copies immediately after selected PDF pages.Redact PDFPermanently remove marked areas by rebuilding pages as images. Original hidden text and attachments are excluded.Create Fillable PDF FormsAdd interactive text fields, checkboxes and dropdowns to an existing PDF.Compare PDFCompare two PDFs by page text and rendered previews, then download a PDF comparison report.Fill PDF FormsFill existing editable PDF fields and download the completed document.Edit PDFAdd text and white-out mistakes directly on your PDF pages.Sign PDFDraw, type or upload your signature and place it anywhere.Rotate PDFRotate all pages or selected pages by 90°, 180° or 270°.Merge PDFCombine several PDFs into one document in any order.Split PDFSplit every page or custom page ranges into separate PDFs.Crop PDFTrim the margins of your PDF pages.Add WatermarkStamp text like CONFIDENTIAL or DRAFT on every page.Add Image to PDFPlace a logo, stamp or photo on any page.Delete PagesRemove unwanted pages from your PDF.Add Page NumbersPut page numbers like 1, 2, 3 or “Page 1 of 10” on your PDF.OCR PDFTurn scanned PDFs into searchable, selectable text.Organize PDFChange the order of your PDF pages, or reverse them.Insert Blank PagesAdd empty pages anywhere in your PDF.Remove Blank PagesFind and delete empty pages from your PDF automatically.Resize PDF PagesChange the page size to A4, Letter, Legal, A3 or A5.Flatten PDFLock filled-in form fields so they can no longer be changed.PDF to GrayscaleTurn a colour PDF into black and white.Extract PDF ImagesSave all the pictures inside a PDF as image files.Edit PDF MetadataChange or remove the title, author, subject and keywords of a PDF.PDF File InformationSee page count, page size, PDF version, author and other details.Extract PDF PagesKeep only the pages you choose and save them as a new PDF.Keep Odd PDF PagesKeep pages 1, 3, 5, 7… and remove the rest.Keep Even PDF PagesKeep pages 2, 4, 6, 8… and remove the rest.Remove PDF AnnotationsRemove comments, highlights, notes and drawings from your PDF.Compress PDFMake a PDF smaller by saving its pages as compressed images. Choose a level or a target size in KB.Compress PDF to 100KBReduce a PDF to under 100 KB for exam, job and government portals.Compress PDF to 200KBReduce a PDF to under 200 KB while keeping it readable.Compress PDF to 500KBReduce a PDF to under 500 KB for email and multi-page uploads.Compress PDF to 1MBReduce a large PDF to under 1 MB.
Guide

Free online PDF editor: a complete guide

Everything you can do with your PDFs

Most PDF jobs fall into a few groups. Organise pages with Merge, Split, Delete, Extract, Organize and Rotate. Change the content with Edit PDF, Sign PDF, Add Watermark, Add Page Numbers and Crop. Make files smaller with Compress PDF, and make scans searchable with OCR PDF. Each tool on this page opens its own page with full instructions.

How the editor tools work

Choose a tool, select your PDF, set the options — for example page numbers, rotation or watermark text — and download the result. All tools work inside your web browser, so your documents are processed on your own device and never uploaded to a server. There is no sign-up and no watermark is added.

Choosing the right tool

To combine files, use Merge PDF; to send only some pages, use Extract PDF Pages or Split PDF. To fix sideways scans, use Rotate PDF. To fill in a form, use Fill PDF Forms if it has fields, or Edit PDF if it does not. To hide private information permanently, use Redact PDF instead of drawing boxes. To meet an upload size limit, use Compress PDF or a KB-target compress tool.

Order of steps for the best result

When a document needs several changes, a good order is: merge, delete and reorder pages, rotate, then edit or sign, add page numbers, and compress last. Compressing earlier turns pages into pictures, which makes later edits harder.

Good habits

Keep your original PDF, check every page of the result before sending, and use clear file names so you can find the final version later.

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