How to Resize Images for Websites and Email
Learn how to choose useful image dimensions, preserve aspect ratio, reduce file size, and prepare photos for websites, email, and online forms.
Toolssify Blog
Practical tutorials, clear tool guides, release notes, and ideas for working more efficiently online.
Practical guides from Toolssify
These articles explain the decisions behind common calculations, image workflows, writing tasks, and developer utilities. Each guide includes practical examples, limitations, and links to the relevant free tools.
Crop vs Resize: What Is the Difference?
Understand the difference between cropping and resizing an image, when to use each operation, and which one should come first in a clean workflow.
How to Redact Sensitive Information in Screenshots
Learn a safer workflow for removing names, addresses, account details, notifications, and other private information before sharing a screenshot.
JPG Quality Settings Explained
Understand what a JPG quality setting controls, why different apps produce different results, and how to reduce photo size without obvious artifacts.
How to Convert SVG to PNG or JPG Correctly
Learn when to convert vector SVG artwork to PNG or JPG, how output dimensions affect sharpness, and what happens to transparency and fonts.
How to Calculate the Difference Between Two Dates
Learn how inclusive counting, time zones, leap years, calendar months, and business-day rules affect the difference between two dates.
How to Convert Annual Salary to Hourly Pay
Convert an annual salary into hourly, weekly, or monthly pay while accounting for work hours, paid leave, overtime, taxes, and benefits.
Compound Interest: A Practical Beginner's Guide
Understand principal, interest rates, compounding frequency, regular contributions, time, inflation, and the limits of compound-interest projections.
Monthly Loan Payment vs Total Loan Cost
Learn why a lower monthly loan payment can cost more overall and how interest rate, loan term, fees, and extra payments change borrowing costs.
Weighted vs Unweighted GPA Explained
Understand how weighted and unweighted GPA scales differ, how course credits and difficulty can affect results, and why school policies take priority.
How Word Count Can Improve Your Writing Process
Use word count, character count, sentence length, and reading-time estimates to plan, edit, and deliver clearer writing without writing to a number alone.
Base64 Encoding: What It Is and When to Use It
Learn how Base64 represents binary data as text, why it increases size, when data URLs are useful, and why encoding is not encryption.
How to Format and Validate JSON Safely
Learn the basic JSON syntax rules, how formatting helps debugging, common validation errors, and why secrets should not be pasted into unknown tools.
PNG, JPG, or WEBP: Which Format Should You Use?
Choose the right format for photos, screenshots, transparent graphics, and websites.
How to Compress Images Without Ruining Their Quality
Reduce file size with sensible dimensions, formats, and quality settings.
Image DPI Explained for Screens and Printing
Understand DPI metadata, pixel dimensions, and print size before changing a file.
How Browser-Based Image Tools Protect Your Privacy
Learn what local processing means and when an online tool may still send data.
How Mortgage Payments and Interest Work
Understand principal, interest, loan terms, and what a calculator can estimate.
How to Calculate GPA Without Common Mistakes
Work through credits, grade points, weighting, and school-specific rules.