Guides

How to do the
thing.

Short, practical walkthroughs for the file jobs people get stuck on, each using free tools that run in your browser.

The catalogue

  1. Vol. IHow to Reduce PDF File Size for EmailPDF too big to email? Learn why PDFs get large and how to shrink them under Gmail and Outlook attachment limits, free and without installing anything.PDF · 3 min read
  2. Vol. IIHow to Sign a PDF on Your iPhone or Android PhoneSign a PDF on your phone in about a minute: draw your signature with a finger, place it, add the date and download. Free, no app to install, no signup needed.PDF · 3 min read
  3. Vol. IIIHow to Turn Photos of Documents into One PDFScanned or photographed pages everywhere? Turn phone photos of documents into one clean, correctly ordered PDF that is small enough to email. Free, no signup.PDF · 3 min read
  4. Vol. IVHow to Convert a PDF to an Editable Word DocumentConvert a PDF into an editable Word file, know when conversion works well, and what to do with scanned PDFs. Free, no signup, and your file is deleted after.PDF · 3 min read
  5. Vol. VHow to Remove a Password from a PDF You Can OpenTired of typing a password to open your bank statements? Remove the password from a PDF you already know the password for, safely, in your browser, for free.PDF · 3 min read
  6. Vol. VIHow to Redact a PDF Properly (and Why Black Boxes Fail)Drawing a black box over text does not remove it. Learn how to redact a PDF so hidden text cannot be copied or recovered, and how to check your result.PDF · 3 min read
  7. Vol. VIIHow to Compress a PDF to 100KB for Upload LimitsPortal says your PDF must be under 100 KB or 200 KB? Compress, split or rebuild the file to fit strict upload limits, free and without creating an account.PDF · 3 min read
  8. Vol. VIIIHow to Save One Page of a PDF (or Extract a Few)Need just one page of a PDF as its own file? Extract single pages, page ranges or every page separately, free in your browser without Adobe or an account.PDF · 3 min read
  9. Vol. IXHow to Rotate a PDF and Save It PermanentlyRotated a PDF but it opens sideways again? Learn the difference between rotating the view and rotating the page, then fix it for good, free in your browser.PDF · 3 min read
  10. Vol. XHow to Merge PDF Files Without Adobe AcrobatCombine PDFs into one file without paying for Acrobat: a free browser method for Windows, Mac, iPhone and Android, plus the built-in option on a Mac.PDF · 3 min read
  11. Vol. XIHow to Convert a Bank Statement PDF to ExcelTurn a downloaded bank statement PDF into an Excel spreadsheet you can sort and total, what to check afterwards, and when a CSV export is the better choice.PDF · 3 min read
  12. Vol. XIIHow to Make a Transparent Signature for PDFsGet a clean, transparent signature for signing PDFs: draw it, photograph it on paper, or turn a scan into a transparent PNG, free and in your browser.PDF · 3 min read
  13. Vol. XIIIHow to Add Page Numbers to a PDF Without AcrobatNumber the pages of a PDF in the corner or center you choose, as 1, Page 1 or 1 of 10, starting from any number. Free, in your browser, no Acrobat needed.PDF · 3 min read
  14. Vol. XIVHow to Password Protect a PDF Before Sending ItLock a PDF with a password before you email it: how PDF passwords work, how strong they are, and how to share the password safely. Free and in your browser.PDF · 3 min read
  15. Vol. XVWhich PDF Tools Upload Your Files? How to CheckMost free PDF sites upload your file to their servers. See how iLovePDF, Smallpdf, PDF24, Sejda and Drible handle files, and how to check any site yourself.PDF · 4 min read
  16. Vol. XVIHow to Reduce Image Size in KB for Online FormsOnline form says your photo must be under 50 KB or 100 KB? Crop, resize and compress a photo or signature to the exact size limit, free and in your browser.Image · 3 min read
  17. Vol. XVIIHow to Make a QR Code That Never ExpiresMany free QR codes stop working after a trial. Learn the difference between static and dynamic QR codes and how to make one that keeps working forever, free.Image · 3 min read
  18. Vol. XVIIIHow Many Words Is a Page? Single and Double SpacedHow many words fit on a page, single or double spaced, and how many pages are 500, 1,000 or 2,000 words? Quick answers, plus a free word counter to check.Text · 3 min read
  19. Vol. XIXCharacter Limits for Every Social Platform (2026)Character limits for X, Instagram, TikTok, LinkedIn, Facebook, YouTube, Threads, Bluesky and Pinterest in one place, plus how much shows before the cut-off.Text · 3 min read
  20. Vol. XXInvalid JSON? How to Find and Fix the ErrorUnexpected token, trailing comma, single quotes: what the common JSON errors mean, how to find the exact line and column, and how to fix them in seconds.Developer · 3 min read
  21. Vol. 21How to Open a JSON File in Excel (Convert to CSV)Turn a JSON export or API response into a spreadsheet: convert it to CSV, choose the right delimiter for your Excel, and handle nested data. Free, no upload.Converter · 3 min read