Utilyra guides
Practical guides for everyday digital tasks
Learn how common file, image, code, and calculation workflows work, what to check, and which tool to use.
All guides
How to Merge PDF Files Online
Combine several PDFs into one ordered document, with practical checks for page order, file size, and privacy.
How to Compress a PDF Without Losing Too Much Quality
Understand what makes PDFs large and choose compression settings that keep text and images readable.
How to Convert JPG Images to One PDF
Turn photos or scans into an ordered PDF while choosing sensible page size, orientation, and image quality.
Image Compression Explained: JPG, PNG, and WebP
Learn the difference between lossy and lossless compression and choose the right web image format.
JSON Formatting and Validation Best Practices
Make JSON easier to read, debug, and review with consistent indentation and validation.
How to Calculate GST in India
Calculate GST-inclusive and GST-exclusive prices and understand the basic CGST, SGST, and IGST split.
How to Convert CGPA to Percentage
Use your institution's official conversion rule and avoid treating one common multiplier as universal.