
Multi Screen Test
Am I Responsive
Screen Size Checker
Responsive Viewer
What Is My Screen Resolution
utilifyzone.com
DisplayMaster.dev
Polypane
RepDB
RepDB is a one-time-purchase exercise dataset for developers building fitness and workout apps โ not a subscription, not a rate-limited API. You download the data once and own it: JSON (and SQLite on the higher tier), WebP images, and full EN/DE/ES translations, with no per-request billing and no dependency on our servers staying up.
A free tier includes 400 exercises with flat-style 512ร512 images, attribution-licensed for commercial in-app use. The Starter tier ($199) adds the full catalog in classic white-background style. Standard ($399) adds transparent 1024px images, looping animations, exercise relations (similar/progressions/regressions), workout templates, and embeddings โ exclusive to that tier.
Every exercise includes muscle-group highlighting, equipment/muscle icons, MET values, and safety/goal tags. Compared to GIF- or JPG-based competitor APIs, RepDB images are transparent WebP with no watermarks, so they drop into any app UI without a white box around them.
Multi Screen Test
RepDBRepDB's answer:
RepDB is sold as a one-time download, not a metered API โ you own the JSON/SQLite data and WebP images outright, with no rate limits, no per-request billing, and no risk of the vendor cutting off access. It's also the only dataset in this space with EN/DE/ES translations, transparent (alpha-channel) images with no watermark, muscle-group highlighting, safety/goal tags, and looping animations on the higher tier.
RepDB's answer:
RepDB grew out of a consumer workout app its creator was building solo. Sourcing exercise images and data meant either paying for a subscription API with usage caps and no caching rights, or producing everything from scratch. The illustrated, multi-language dataset was built for us first, then split out as its own product once it became clear other indie developers had the same problem and preferred to buy the data outright rather than rent it through an API.
RepDB's answer:
Most alternatives are subscription APIs โ you pay monthly, you're capped on requests, and ExerciseDB's terms of use explicitly forbid caching or storing the data at all, so every image render is a live paid API call. RepDB is the opposite: pay once, download the files, self-host with zero ongoing dependency. It's also the only option offering true DE/ES localization and transparent images instead of a white box behind every exercise.
RepDB's answer:
Solo developers and small teams building fitness or workout-tracking apps (iOS, Android, web) who need licensed exercise images and structured exercise data, but don't want to build their own media pipeline or depend on a rate-limited third-party API.
Based on our record, Multi Screen Test seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
You could try using a percentage for the width instead of a number. That way, it'll stretch to be a percentage of the screen size (or whatever container it's in) instead of the same amount of pixels on every screen. By the way, you can use this site http://whatismyscreenresolution.net/multi-screen-test to test how your site looks on various screen sizes. It's a little outdated and a lot of the screen sizes aren't... Source: over 4 years ago
Am I Responsive - see your website in multiple screen resolutions
Screen Size Checker - The all-in-one toolkit for developers and designers to check, compare, and test screen dimensions for responsive design.
Responsive Viewer - View multiple screen dimensions in one view
What Is My Screen Resolution - Instantly detect your screen resolution, viewport size, device pixel ratio, and color depth. Free online screen resolution checker tool.
utilifyzone.com - Explore our suite of utilities to streamline every step of your digital workflow and maximize your productivity.
DisplayMaster.dev - DisplayMaster is a free, browser-based screen testing tool that helps you detect dead pixels, identify backlight bleed, and verify color accuracy โ no installation required.