Guides
Image, PDF and online tool guides
Practical notes for reducing file size, choosing formats, merging PDFs and using browser-based tools without uploading your documents.
9 min read
How to Compress an Image Without Losing Quality
Practical settings for reducing image file size while keeping photos, screenshots and graphics sharp.
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How to Resize an Image for Online Forms
A practical checklist for resizing photos for exams, applications, IDs and government portals.
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JPEG vs PNG vs WebP vs AVIF: Which Image Format Should You Use?
Understand common image formats and choose the best output for photos, screenshots and web uploads.
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How to Merge PDF Files Online in the Right Order
A practical checklist for combining PDFs, arranging pages and keeping the final file easy to share.
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How to Compress a PDF to a Target KB Size
Understand when PDF compression works well and how to choose a target size without making pages unreadable.
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When to Convert PDF Pages to JPG or PNG
Choose the right image format when exporting PDF pages for previews, thumbnails, forms or sharing.
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Why Browser-Based File Tools Are Useful for Private Documents
Understand when local browser processing is a better fit for images, PDFs, text and everyday files.
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File Upload Size Limits: A Checklist for Images and PDFs
A practical checklist for preparing photos, scans and PDFs when a website has strict size and format limits.
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How to Prepare Passport Photos for Indian Government Forms
Resize, crop and compress passport-style photos for Indian exam, job, university and government upload portals.
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Understanding PDF Encryption: Passwords, Permissions and Security
Learn what PDF passwords and permissions can do, what they cannot do, and when to protect or unlock a PDF.
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WebP vs JPG: When to Use Each Format
Compare WebP and JPG for photos, websites, upload forms, transparency and everyday compatibility.
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How to Reduce PDF Size for Email Attachments
Prepare PDFs for email by cleaning pages, compressing scans and preserving enough quality for review.
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A Complete Guide to QR Codes: Types, Uses and Best Practices
Learn how QR codes work, what content they can store, and how to create codes that scan reliably.
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How OCR Works: Extracting Text from Images Explained
Understand OCR accuracy, image preparation and common mistakes when copying text from photos and scanned pages.
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Video Compression Basics: Formats, Bitrates and Quality
Learn how video size is affected by format, resolution, bitrate, duration and audio settings.
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