PDF Guides3 min read
How to Compress a PDF Without Ruining Readability
Learn how to reduce PDF file size while preserving readable text and clear images.
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PDF and Image Tips
Learn how to compress, convert, edit and protect your files with practical step-by-step guides.
PDF Guides
PDF Guides6 min read
How to Reduce PDF File Size for Email Attachments
Reduce PDF file size for email attachments
Read article →PDF Guides8 min read
How to Merge and Organize PDF Pages Correctly
Choose the right order of merge, split and page organization steps while preserving page appearance and checking document-level features.
Read article →PDF Guides8 min read
Remove a Known PDF Password from an Authorized Copy
Learn how to create an unprotected working copy of a PDF when you know the password and are authorized to modify the document.
Read article →PDF Guides7 min read
Export PDF Pages as JPG Images: What Gets Preserved?
Learn how PDF page rendering differs from recovering original embedded images, and what JPG export preserves or loses.
Read article →PDF Guides7 min read
How to Sign a PDF Online for Free
Learn how to sign a PDF online without printing, scanning, or signing up
Read article →PDF Guides7 min read
OCR vs Text Extraction: Which PDF-to-Text Method Should You Use?
Choose embedded PDF text extraction, OCR for scanned pages, or image OCR based on what the source actually contains.
Read article →PDF Guides8 min read
How to Redact a PDF Safely and Verify Hidden Content Is Gone
Distinguish removable visual covering from flattened PDF redaction, then verify text, metadata and every affected page before sharing.
Read article →Image Guides
Image Guides7 min read
JPG vs PNG vs WebP: Which Image Format Should You Use?
Choose JPG, PNG or WebP by comparing transparency, compression, animation, compatibility and the kind of image you are publishing.
Read article →Image Guides7 min read
How Image Metadata Works and What EXIF Can Reveal
Understand EXIF, GPS, camera, author and editing metadata, then inspect and remove supported fields from a sharing copy.
Read article →Image Guides6 min read
When Local Image Conversion Can Be Better Than Cloud Uploads
Compare browser-local and server-side image conversion by file sensitivity, network access, device limits and workflow needs.
Read article →Image Guides7 min read
How to Resize Images for Social Media Without Distortion
Resize by aspect ratio instead of memorised pixel charts, and understand why fewer pixels does not reliably mean a smaller file.
Read article →Image Guides5 min read
When Should You Convert WebP to JPG?
Decide whether WebP-to-JPG conversion is appropriate by checking compatibility, transparency, animation and re-encoding tradeoffs.
Read article →Image Guides3 min read
How to Place a Useful Image Watermark Without Hiding the Subject
Choose watermark text, position, color and opacity while understanding what a visible watermark can and cannot protect.
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Image Guides7 min read
How JPEG Compression Works and How Much Quality to Use
Understand lossy JPEG encoding, visible artifacts, repeated re-encoding and when PNG or WebP is a better fit, with measured results from four test images.
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Image Guides6 min read
The Humble Pixelate Effect: A Small Edit That Solves a Lot of Problems
Pixelate images online with FiloTool. Pixelation permanently discards the original pixels, but short predictable values such as plate or phone numbers can still be recovered.
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