PDFCure 部落格
關於 PDF 的實用指南，以及關於瀏覽器能做什麼、不能做什麼的坦誠說明。
How to merge PDF files for free — without uploading them anywhere
A walkthrough of merging PDFs in the right order, and why doing it in your browser instead of on someone's server is worth caring about.
PDF compression explained: why your file is big and what actually shrinks it
What actually makes a PDF large, why 'compress' tools behave differently on different files, and how to pick the right compression level.
iLovePDF alternatives: what to actually look for in a PDF tool
A practical checklist for evaluating free PDF tools — privacy, honesty about limitations, and what 'free' really means.
How to password-protect a PDF — and when AES-256 actually matters
What PDF encryption actually requires, how this site's Protect PDF tool does it entirely in your browser, and when a stronger password matters more than the algorithm.
PDF/A explained: when you actually need archival format
What makes PDF/A different from a regular PDF, who actually requires it, and what a browser-based converter can and can't guarantee.
HEIC vs JPG: why iPhone photos won't upload anywhere, and how to fix it
Why HEIC exists, why so many web forms and tools silently reject it, and how to turn iPhone photos into a PDF without leaving your phone.
How to fill out a PDF form without printing it
The difference between a real fillable form and a flat scanned one, and how to handle both without a printer.
Delete, extract, or redact: three ways to remove something from a PDF, and when each is right
Removing a page, pulling a page out, and blacking out text inside a page all sound similar but solve different problems.
How to turn a bank statement PDF into a spreadsheet for budgeting
Why bank statement PDFs are unusually hard to parse, and how to get dates, amounts, and running balance into a spreadsheet without retyping every line.
OCR explained: how a scanned PDF becomes searchable text
What OCR is actually doing under the hood, why it's not always perfect, and how it makes a photographed document searchable and selectable.
How to split a long PDF into equal chunks without typing out every page range
Splitting a 200-page document into chapters or batches by count instead of hand-entering page ranges.
A4 vs Letter vs Legal: resizing a PDF for the printer you actually have
Why a PDF made for one page size prints oddly on another, and how to rescale it properly instead of letting the printer guess.
What's hiding in a PDF's metadata before you share it
The title, author, and software fields baked into a PDF that don't show up on the page — and how to check and clear them before sending a file out.
How to sign a PDF without DocuSign
When you actually need an audit-trailed e-signature service, and when just placing a signature on the page is enough.
Compressing a PDF to fit Gmail and Outlook attachment limits
What Gmail's and Outlook's actual attachment limits are, and how to get a PDF under them without guessing at a compression level.
How to make a passport or ID photo at home
Getting a compliant-sized ID photo without a print shop — and the one thing this kind of tool can't verify for you.
Turning a PDF into a Notion- or wiki-ready Markdown document
Getting a PDF's headings, tables, and links into clean Markdown instead of retyping a document by hand.
Turning any PDF into something you can listen to instead of read
Using your browser's built-in text-to-speech to listen to a long document page by page, hands-free.