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✦ ToolBux BlogGuides & how-tos.
Practical guides for the tools on this site — written to answer the exact question you typed into Google.
Guides
Invoice Generator for Freelancers: Get Paid Faster With a Professional Invoice
A professional invoice gets paid faster. Here is what it must contain, and how to make one in 60 seconds.
ToolBux Admin · 08 Nov 2026 · 1 min read
How-ToHow to Compress an Image to 200KB Without Losing Quality
Visa and job portals reject images over 200KB. Here is the exact 3-step way to hit 200KB without losing visible quality.
ToolBux Admin · 08 Nov 2026 · 1 min read
GuidesJSON Formatter: What It Does and Why Developers Use It Every Day
Minified JSON is unreadable. A formatter turns it into clean, indented JSON and points to the exact error line.
ToolBux Admin · 08 Nov 2026 · 1 min read
How-ToAge Calculator: How to Find Your Exact Age in Years, Months and Days
Your exact age in years, months and days — how it is calculated, and why forms ask for it.
ToolBux Admin · 08 Nov 2026 · 1 min read