Guides & Tutorials
In-depth how-to guides for the most popular Imgira tools. Learn image optimization, PDF management, data conversion, security best practices, and more — written by our expert team.
How to Compress Images Without Losing Quality
A complete guide to image compression: understand lossy vs lossless formats, choose the right compression settings, and optimize images for web performance without sacrificing visual clarity.
How to Remove Background from Photos (Free, No Upload)
Learn multiple techniques for removing image backgrounds: AI-powered automatic removal, manual masking, and color-based erasure. Complete guide with tips for complex edges like hair and transparent objects.
How to Merge PDF Files Online — Fast, Free & Secure
Step-by-step guide to merging multiple PDF documents into a single file. Learn how to reorder pages, combine PDFs from different sources, and keep your documents private with browser-based processing.
How to Convert CSV to JSON — Developer's Complete Guide
Everything developers need to know about converting CSV data to JSON format. Covers data type handling, nested objects, array formatting, special characters, and using Imgira's browser-based CSV to JSON converter.
How to Generate Strong, Secure Passwords (And Remember Them)
A guide to password security: what makes a password strong, how password generators work, best practices for managing passwords, and a complete walkthrough of Imgira's secure password generator.
How to Remove an Image Background in Seconds
A step-by-step guide to cutting out subjects with a browser-based background remover. No uploads, no Photoshop required.
How to Batch Compress Images for a Website
Resize and compress dozens of images at once with a local bulk tool. Keep your media library fast and consistent.
How to Convert Images to PNG Without Losing Quality
Convert JPEG, WebP, or BMP to PNG in your browser while preserving transparency and crisp edges. A practical, local workflow.
How to Change Image DPI for Print
Set the correct resolution for print jobs with a local DPI changer. Understand PPI vs DPI and the 300 DPI standard.
How to Merge PDF Files Securely in Your Browser
Combine multiple PDFs into one document with a local merger. Keep sensitive files off remote servers.
How to Generate Secure Passwords You Can Actually Use
Create strong, unique passwords in seconds with a local generator, then store them safely. A practical security habit.
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