Image Tools
JPG vs PNG vs WebP: Which Image Format Should You Use?
The choice comes down to three questions: is it a photograph, does it need transparency, and who has to open it. Everything else follows from those.
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Blog – Page 3
Tech articles, tutorials, and guides from The Tools Kit.
Image Tools
What Your Photos Reveal: EXIF, GPS Data, and How to Strip It
Your camera writes a hidden record into every photo, often including the exact coordinates. Whether that reaches other people depends entirely on how you share it.
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Calculator Tools
What Every Deduction on Your Paycheck Actually Means
The gap between what you earn and what lands in your account is made of five or six specific line items. Here is what each one is and which ones you control.
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Calculator Tools
How to Compare an Hourly Rate to a Salary Offer
Converting a wage to a salary takes one multiplication. Working out which offer is genuinely better takes four more questions.
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Calculator Tools
What Actually Goes Into a Monthly Mortgage Payment
A mortgage calculator gives you principal and interest. Your actual bill has two or three more components, and they are not small.
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Document Tools
How to Convert a PDF to Word Without Losing Your Text
Whether your text survives a PDF to Word conversion depends on one thing: how the PDF was made. Here is the quick test to check yours, and the right way to convert it.
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Document Tools
Scanned PDF to Editable Text: What OCR Is and When You Need It
If you cannot highlight the text in your PDF, it is a scan, and normal converters cannot read it. OCR is the missing step. Here is how it works and when you need it.
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Document Tools
How to Combine Multiple PDFs Into One File (Without Losing Quality)
Merging PDFs joins your original pages into one document, exactly as they are. Here is how to do it free in your browser, and why quality loss is not a concern.
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Document Tools
PDF to Word vs Inserting a PDF Into Word: Which One Do You Actually Need?
These two tasks sound alike and get mixed up constantly. One makes a PDF editable, the other places a PDF inside a document you are writing. Here is which is which.
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Document Tools
Why Your PDF Is So Large (and What Actually Makes Files Big)
It is almost never the text. Images, especially scans, drive nearly all PDF file size. Understanding why gives you the power to keep files small from the start.
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Developer Tools
Fix Invalid JSON: The 5 Errors That Break Every Payload
Nearly every JSON parse failure comes down to one of five mistakes. Learn to spot each one on sight, with a before and after example for every error.
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Security Tools
MD5 vs SHA-256: What Hashes Are and When to Use Which
A hash is a digital fingerprint for data. MD5 and SHA-256 both make fingerprints, but only one is safe for security. Here is the difference in plain language.
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