Articles
The Flint PDF library
Short, practical pieces on PDFs — fixing a typo, signing a contract, getting a file under 25 MB, picking the right format, dealing with awkward scans. 965 articles and counting.
Delete pages from scanned PDF
Scanned PDFs often need cleanup — duplicate pages, blanks, mis-fed sheets — Flint handles all of them.
3 minReadDelete pages with watermarks
Watermarked pages identified and removed — for cleaning up draft markers, sample stamps, or trial-version PDFs.
4 minReadDelete pages without Acrobat
Acrobat-free PDF page deletion — browser-based, free, no installs, no signups.
3 minReadDigital signature vs electronic signature: what's the difference?
Two terms that get used interchangeably — but mean different things in cryptography and law.
4 minReadDocument hash explained
Hashes are how PDFs prove they haven't been tampered with. A quick explainer.
4 minReadDocuSign alternatives for freelancers
DocuSign is built for teams. Freelancers usually need something simpler. Here is the honest list.
4 minReadDocuSign alternatives for small business
DocuSign is enterprise-shaped pricing. Small businesses have better options. Here is the honest small-business list.
5 minReadDocuSign vs Adobe Sign vs Flint
The two e-sign giants plus the browser-first newcomer. Here is the three-way comparison without the marketing fog.
6 minReadDocuSign vs HelloSign vs Flint: a three-way comparison
Three signing options from three angles: enterprise, polished SaaS and PDF-first. Here is how to choose.
6 minReadDropbox vs Flint for secure PDFs
Dropbox is great storage and sharing. Flint is the file-level security. They work together.
4 minReadDuplicate a page in a PDF
Page duplication — copy a page within a PDF for templates, repeated forms, or comparative layouts.
3 minReadE-signature vs digital signature
E-signature and digital signature sound interchangeable. They aren't. Here is what each really means.
5 minReadE-Signatures for Lease Agreements: What Works and What Doesn't
Where electronic signatures work on lease agreements, where they don't, and how to capture defensible signatures every time.
4 minReadeIDAS, explained
The European regulation that makes e-signatures portable across 27 member states.
5 minReadEncrypted email attachment vs secure link
Attachment vs link is a workflow choice. Here's when each beats the other.
4 minReadEncrypted PDF vs ZIP with password
Encrypted PDFs and password-protected ZIPs both lock files. They are not equivalent. Here is the difference.
5 minReadThe US ESIGN Act, explained
What the ESIGN Act actually says — and how it interacts with state law and UETA.
5 minReadE-sign platforms for individuals vs teams
E-sign tools split by user shape. Here is what fits one person vs a team of ten.
5 minReadEvidence of intent in electronic signatures
Intent is the legal core of every electronic signature. Here's what proves it.
4 minReadExpiring PDF links, explained
Time-boxed PDF access is one of the better defences against long-tail leaks. Here's how it works.
3 minReadExtract a single page from a PDF
When you need exactly one page from a long PDF, range-split with one page and you're done in fifteen seconds.
3 minReadExtract pages as separate PDFs
Page-level extraction — pick pages, get each as its own file. Useful for routing per-page, building archives, or sending selectively.
3 minReadFast PDF Prep Before a Board Meeting
Board packs in 20 minutes flat — merge, redact where needed, password-protect, distribute. Here is the monthly ritual.
4 minReadFast PDF Prep for Client Onboarding
Client onboarding shouldn't take an afternoon. A template-based onboarding pack ships in 15 minutes and looks like you've been doing it for years.
4 minReadFast PDF Prep for Investor Updates
Investor updates should not be a half-day project. A 25-minute monthly ritual keeps the cadence and looks polished.
4 minReadFive PDF skills everyone should have
The minimum PDF skill set for modern admin survival.
3 minReadFix blurry text in a scanned PDF: sharpen with OCR
Blurry scanned text becomes sharp vector text via OCR. One step.
3 minReadFix a locked PDF you own the password for: full access
If you have the password, unlocking is a one-step operation. Remove the lock and work freely.
3 minReadFix a PDF corrupted by conversion: recover what you can
Conversion damage is recoverable through fresh conversion or rasterisation. Don't give up.
3 minReadFix a PDF form that resets every time you open it
Forms that reset weren't flattened. Flatten on save and the data stays.
3 minReadFix a PDF marked as corrupt after signing: recover the signed file
Corruption after signing usually means signing process glitched. Retry or re-sign clean.
3 minReadFix a PDF that asks for a password: open it or remove the lock
Password prompts need the password. Find it, then optionally remove the protection.
3 minReadFix a PDF that opens as a text file: restore the PDF
PDFs opening as text usually have a wrong file association. Re-associate or rename.
3 minReadFix a PDF that prints tiny: get full-size output
Tiny prints come from page-size mismatch. Fix in print dialog or rebuild the PDF.
3 minReadFix a PDF that requires a permission password: regain control
Permission passwords restrict what you can do. Unlock with the owner password to lift restrictions.
3 minReadFix a PDF that shows blank pages: get the content back
Blank-displayed pages have content the viewer can't render. Rebuild and it reappears.
3 minReadFix a PDF that won't attach to email: send it anyway
Attachment failures usually mean size or security filter. Compress or share differently.
3 minReadFix a PDF that won't print: a working diagnostic
Print failures fall into three buckets. Work through them and the PDF prints.
4 minReadFix a PDF too large to email: send it without splitting
Most oversized PDFs come down 80-90% with compression. Send the slimmer version.
3 minReadFix a PDF where redaction still shows: actually hide content
Cosmetic black boxes don't redact. Use a true redaction tool that removes underlying content.
4 minReadFix a PDF where text is invisible: recover hidden content
Invisible text means colour or transparency issue. Recolour or rasterise to reveal.
3 minReadFix a PDF with broken links: restore navigation
Broken PDF links come from bad exports or stale URLs. Rebuild via source or update in Flint.
3 minReadFix a PDF with corrupted fonts: restore readable text
Corrupted fonts produce unreadable PDFs. OCR rebuilds the text layer cleanly.
3 minReadFix a PDF with cut-off content: restore the full page
Cut-off content means content and page size disagree. Resize or re-export to fix.
3 minReadFix a PDF with invisible redaction marks: ensure proper coverage
Missing redaction marks may mean rendering issue or actual content gap. Verify and redo.
3 minReadFix a PDF with misaligned text: get the layout straight
Misaligned text means font substitution or export error. Rebuild and the layout returns.
3 minReadFix a PDF with missing images: restore the visuals
Missing images come from broken embedding or unsupported formats. Rebuild via source or rasterise.
3 minReadFix a PDF with missing pages: recover or rebuild
Missing pages are either truly absent or just invisible. Diagnose, then recover.
4 minReadFix a PDF with overlapping text: separate the layers
Overlapping text comes from font substitution or layout errors. Rebuild the document cleanly.
3 minReadFix a PDF with sideways pages: get every page upright
Sideways pages need permanent rotation. One step in Flint.
3 minReadFix a PDF with wrong page order: reorder cleanly
Out-of-order pages reorder with drag-and-drop in Flint. No need to rescan or re-export.
3 minReadFix sideways PDF pages
The simple fix for PDF pages that read sideways — rotate them 90° in the right direction and save.
3 minReadFix upside-down PDF pages
Upside-down pages flipped right-side up — one click for 180° rotation, saved into the file.
3 minReadFlat PDF vs editable PDF: what's the difference?
Flat PDF or editable PDF? It depends on whether the recipient should change it. Here is the practical difference.
4 minReadFlatten PDF pages
Flattening locks annotations and form data into the page. The result behaves as a static document.
4 minReadFlattened PDF vs fillable PDF
Flatten when finished. Stay fillable when collecting input. Here is the practical difference.
4 minReadFlint day pass vs monthly subscription
Day pass or monthly? Here is the simple maths and the workflow each fits.
4 minReadFlint PDF cost explained
Flint pricing in plain language. No hidden upgrades, no surprise tiers.
4 minReadFlint PDF vs Acrobat Reader: when free is not enough
Acrobat Reader views. Flint edits, signs, merges and converts. Here is when you actually need to move on from Reader.
4 minReadFlint PDF vs Adobe Acrobat: an honest comparison
A fair, opinionated look at Flint PDF and Adobe Acrobat — who each one is actually for, and how to choose without overpaying.
6 minRead