RepDB
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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 250 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.
SecureToolsHub offers 3 free browser-based security tools that run entirely in your browser. Your files and data never leave your device.
Tools
File Type Detector Detect the real format of any file using binary magic number signatures. Supports 50+ file formats, ZIP and Office document inspection, SHA-256 hash generation and risk assessment.
IP Security Checker Check any IP address for VPN, proxy, TOR and datacenter usage. Get threat score, ISP info, ASN, geolocation and full security breakdown in seconds.
Base64 Encoder / Decoder Encode any text or file to Base64 and decode Base64 strings instantly. Supports UTF-8, Unicode and all file types.
Why SecureToolsHub?
RepDB SecureToolsHubRepDB'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.
SecureToolsHub's answer:
Everything runs entirely in your browser โ no files or data are ever uploaded to any server. Most similar tools send your files to their servers for processing. SecureToolsHub uses the Web Crypto API to analyse everything locally, making it the most private option available.
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.
SecureToolsHub's answer:
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.
SecureToolsHub's answer:
Developers, security researchers, IT professionals and everyday users who need quick, reliable security analysis tools without signing up for expensive services or uploading sensitive files to third-party servers.
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.
SecureToolsHub's answer:
SecureToolsHub was built out of frustration with existing tools that require file uploads, account creation or paid subscriptions for basic security analysis. The goal was to create a suite of professional-grade security tools that anyone can use instantly, for free, with complete privacy.
SecureToolsHub's answer:
HTML5, CSS3, JavaScript, Web Crypto API, JSZip library. All tools run entirely client-side with no backend server required.
SecureToolsHub's answer: