Blog
Guides, tips and the story behind these tools.
US Retirement Accounts Explained: IRA, Roth IRA, 401(k), After-Tax Contributions, and Pensions
A plain-English, 2026-updated guide to how US retirement accounts actually work — Traditional and Roth IRAs, 401(k)s, after-tax contributions, the mega backdoor Roth, and pensions — with a comparison table and a tax-treatment diagram.
Read more →How to Compress a PDF to a Specific Size (like 200 KB)
Need a PDF under 200 KB, 500 KB or 2 MB for an upload form? Here is how to hit an exact size target in your browser — no upload, no account — by dialing in quality and DPI.
Read more →How to Convert HEIC to JPG for Free (No Upload)
Convert iPhone HEIC photos to JPG for free — right in your browser, with nothing uploaded. A quick guide plus a batch converter that keeps your photos private.
Read more →GLB vs glTF vs OBJ vs STL — Which 3D Format Should You Use?
A plain-English guide to the four most common 3D file formats — what each one keeps, what it drops, and which to pick for the web, 3D printing, or sharing a model.
Read more →How to Optimize an SVG (and Cut Its File Size in Half)
SVGs exported from Illustrator, Figma or Inkscape are often 2–3× bigger than they need to be. Here is what actually bloats an SVG, how to optimize it in your browser for free, and when to export a PNG instead.
Read more →Remove an Image Background for Free — No Signup, in Your Browser
Cut out the background of any photo for free — no account, no watermark, no upload. Here is how in-browser AI background removal works and how to get a clean transparent PNG.
Read more →What Your Browser Secretly Reveals About You (and How to Check)
Every website you open can read a surprising amount about your device — no permission needed. Here is what browser fingerprinting exposes, why it tracks you without cookies, and how to check and reduce your own footprint.
Read more →How to compress a PDF without uploading it
Shrink large PDFs right in your browser — your file never leaves your device. No upload, no account, no waiting.
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