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ImageDimensions
Find oversized images on any site + convert to WebP
ImageDimensions is a suite of free image utilities. Scan any URL to find oversized images (natural vs rendered dimensions, per-image breakdown), or convert PNG and JPG to WebP entirely in your browser — files never leave your device, since conversion runs locally via WebAssembly. No signup, batch support, adjustable quality, no watermarks.
Hey PH 👋 I'm Chris, I built ImageDimensions.
It started with the scanner. Editors and designers I worked with kept asking me what size some image on a live site actually was, so they could source a replacement at matching dimensions. Eyeballing it or digging through DevTools every time got old, so I built a tool that just tells you — point it at any URL and it reports every image's natural vs rendered size.
The converters (PNG→WebP, JPG→WebP) came later, out of a different annoyance: every "free converter" in Google's results makes you upload your files to someone's server. These run entirely in your browser via WebAssembly — the files never leave your device. You can open the Network tab, convert a file, and watch that nothing gets sent.
Everything's free, no signup, no watermarks. What's not there yet: HEIC support and a bulk ZIP download for the converters — both on my list. Feedback very welcome, especially on the converter UX.
About ImageDimensions on Product Hunt
“Find oversized images on any site + convert to WebP”
ImageDimensions was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #90 on the daily leaderboard. ImageDimensions is a suite of free image utilities. Scan any URL to find oversized images (natural vs rendered dimensions, per-image breakdown), or convert PNG and JPG to WebP entirely in your browser — files never leave your device, since conversion runs locally via WebAssembly. No signup, batch support, adjustable quality, no watermarks.
On the analytics side, ImageDimensions competes within Design Tools, Productivity and Developer Tools — topics that collectively have 1.4M followers on Product Hunt. The dashboard above tracks how ImageDimensions performed against the three products that launched closest to it on the same day.
Who hunted ImageDimensions?
ImageDimensions was hunted by Chris Morris. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of ImageDimensions including community comment highlights and product details, visit the product overview.
Chris Morris