PDF Burrow
PDF Burrow guides
Guides about working with PDFs, scans and documents on your phone.
- What to look for in an all-in-one PDF app for AndroidThe best PDF app for Android keeps your files on the phone, covers the tasks you do weekly, and saves clean files. Here is a checklist to judge any app.
- How to edit a PDF on AndroidTo edit a PDF on Android, use an app that lets you tap text to change it, add text or images and fix pages. Here is what each kind of edit needs.
- How to merge PDF files on your phoneTo merge PDF files on your phone, pick them in a merge tool, drag them into order and save one new PDF. Steps, plus fixes for file size and page order.
- How to compress a PDF without losing qualityTo compress a PDF without losing visible quality, shrink the images inside it, not the text. Learn what makes PDFs large and which settings keep pages sharp.
- How to get a PDF under 1 MB, 500 KB or 200 KBTo compress a PDF to 1 MB or less, shrink its images, drop pages you do not need and rescan heavy pages. A step-by-step plan for 1 MB, 500 KB and 200 KB.
- How to compress a photo to 100 KB for an online formTo compress an image to 100 KB, resize it to the dimensions the form asks for, save it as JPG and lower the quality until it fits. Steps for any form.
- How to scan documents to PDF with your phoneTo scan to PDF with your phone, use a scanner mode that finds the page edges, flattens and cleans each page, then saves all the pages as a single PDF file.
- Phone scanning tips for clean, readable PDFsThese document scanner tips cover light, angle, background, focus and filters, so your phone scans come out flat, sharp and easy to read every time.
- How to make a scanned PDF searchable with OCROCR makes a scanned PDF searchable by reading the words in each page image and adding a hidden text layer. Here is how to OCR a PDF and check it.
- How to convert PDF to Word on AndroidTo convert PDF to Word on Android, open the file in a converter, save it as .docx and check the layout. What converts well, what does not, and fixes.
- How to turn PDF pages into JPG imagesTo convert PDF to JPG, open the file in a converter, choose the pages and save each one as an image. Which resolution to pick, and when PNG is better.
- How to combine photos into one PDFTo convert an image to PDF, pick your photos in order, choose page size, orientation and margins, and save. One tidy PDF beats a pile of loose photos.
- How to put both sides of an ID card on one PDF pageTo turn an ID card to PDF, scan the front and back and place both on one page at real card size. It prints like a photocopy and most offices accept it.
- How to extract all the text from a PDFTo convert PDF to text, use a tool that pulls every word out and saves it as a .txt file or copies it. Scanned PDFs need OCR first. Here is how to do both.
- How to turn a PDF into PowerPoint slidesTo convert PDF to PPT, turn each page into a slide and save a .pptx you can present. What to expect from the result and how to make slides easy to edit.
- How to make a PDF from plain text on your phoneTo convert text to PDF on your phone, type or paste it, or load a .txt file, and save. A clean PDF looks the same on every device you send it to.
- How to sign a PDF on your phoneTo sign a PDF on your phone, draw your signature with your finger, place it on the line, resize it and save. Most forms need no printing or scanning.
- How to fill PDF forms on AndroidTo fill a PDF form on Android, tap each field, type or tick your answers and save. Flat forms without fields need text placed on top instead.
- Filling a form by voice: an easier way for long formsTo fill a form by voice, let your phone read each question aloud, speak your answer and check it lands in the right box. Ideal for long forms.
- How to password protect a PDFTo password protect a PDF, set a strong password in a protect tool and save an encrypted copy. Then share the password separately from the file.
- How to remove a password from a PDF you ownTo unlock a PDF you own, open it with the password and save a copy without protection. How it works, what restrictions are, and when to keep the lock.
- How to redact a PDF properly (and why black boxes are not enough)To redact a PDF properly, use a tool that deletes the text under each black box, then test by searching and copying. Drawn boxes alone leak data.
- What does flattening a PDF mean, and when should you do it?To flatten a PDF is to merge form fields, signatures, notes and stamps into the page so they cannot be moved or edited. When to flatten, and when not.
- How to add a watermark to a PDFTo watermark a PDF, choose your text, set its size and transparency, and stamp it across every page. How to make one that is visible yet readable.
- How to add page numbers to a PDFTo add page numbers to a PDF, pick a position and style in a page-number tool and apply it to every page. How to number merged files and reports.
- How to add headers and footers to a PDFAdd a PDF header or footer by choosing the text, the corner and extras like page numbers or the date, then checking it does not cover your content.
- How to reorder, rotate or delete PDF pagesTo rearrange PDF pages, open a page organizer, drag the thumbnails into order, rotate or delete pages as needed and save the result as a new file.
- How to crop PDF pages and trim marginsTo crop a PDF, drag a frame over the part of the page you want to keep and save. Cropping hides the edges but usually leaves them inside the file.
- How to resize PDF pages to A4 or LetterTo resize a PDF to A4 or Letter, use a page resize tool to fit every page to the new size, then check margins and text before you print or upload it.
- How to add bookmarks and a table of contents to a PDFPDF bookmarks are clickable chapter links shown in the sidebar of a PDF reader. Add one per section, name it clearly and point it at its first page.
- How to search for a word inside a PDFTo search a PDF, open its find or search option, type the word and jump between matches. If nothing is found, the PDF is probably a scan without text.
- Reading PDFs on a small phone screen without zoomingA PDF reader mode reflows the text to fit your phone screen, like an ebook, so you can read without pinching, zooming and scrolling sideways on every line.
- How to highlight and annotate a PDF on AndroidTo annotate a PDF on Android, open it in an editor with markup tools, select text to highlight or underline, add notes or drawings and save a copy.
- How to add clickable links to a PDFTo add a link to a PDF, select the text or image, choose a web address or email as the target, save, then tap the link in another reader to test it.
- How to change a PDF's title and authorPDF metadata is hidden information such as the title, author and subject. Change it in a metadata editor, save a copy and check it in the file properties.
- How to summarize a PDF and ask it questionsTo summarize a PDF with AI, give an assistant the document, ask for a short summary, then ask specific questions and check each answer against the page.
- Hide your personal details before sending a PDF to ChatGPTBefore you upload a PDF to an AI chatbot, swap your name, ID, phone and account numbers for placeholders, then restore the real details in the answer.
- How to spot signs a salary slip or bank statement was editedTo detect an edited PDF, check its metadata, look for mixed fonts and misaligned text, and re-add the totals. These are clues, so confirm with the issuer.
- How to translate a PDF on your phoneTo translate a PDF on a phone, open it in a translation tool, pick the language and save the translated copy. Scans need OCR first so there is text to read.
- How to make a professional invoice PDF on your phoneAn invoice maker on your phone lets you fill in your details, items, tax and logo, then export a tidy PDF to send. Here is what to include and how to do it.
- Scan bills and receipts and get reminded before they are dueScan a bill to pick out its due date and amount, then set a bill reminder or calendar entry. Receipts can go into an expense log for tracking spending.
- How to open Word, Excel and CSV files on AndroidTo open a DOCX on Android, tap the file and pick an app that reads Office files. Excel and CSV work the same way, and you can save a PDF copy to share.
- How to edit an Excel spreadsheet on your phoneTo edit Excel on Android, open the XLSX in a spreadsheet editor, tap a cell to change it, add or delete rows, then save it as XLSX. Simple edits work well.
- Make a résumé PDF on your phone from a templateA resume template PDF gives you a ready layout to fill in on your phone. Add your details, keep it to one or two pages and export it as a PDF to apply.
- How to send several PDFs as one ZIP fileTo turn PDF to ZIP, select the files, bundle them into one .zip archive and send that single file. ZIP keeps files together but rarely shrinks PDFs much.
- How to print a PDF from your Android phoneTo print a PDF on Android, open it, tap Print, choose a printer on the same Wi-Fi and check the settings. You need a print service for your printer.
- Edit PDFs with your voice: "delete page 3 and compress it"A voice PDF editor turns a spoken request such as delete page 3 and compress it into steps, shows the plan, then runs it. Here is how to phrase commands.
- Are online PDF tools safe for private documents?Online PDF tools upload your file to a server. They can be safe for public files, but for IDs, payslips and contracts, check the policy or work on your phone.
- Why an offline PDF editor is better for private filesAn offline PDF editor works on your phone, so private files are never uploaded. It is also faster on slow data and keeps working with no signal at all.
- PDF Burrow guide: the tools most people need firstNew to the PDF Burrow app? Start with scanning, compressing, merging, signing and photos to PDF, then explore the privacy, office and AI tools as needed.