BlestLabs
Free Developer Tools & AI-Powered Utilities
Dev toolkit, QR codes with analytics, AI prompt generator, media forensics, and more — all in one place.
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Core Tools
Our Tools
Free, privacy-first developer tools and AI-powered utilities. No sign-up required for core features.
Dev Toolkit
19 Developer Tools
JSON formatter, Base64 encoder, JWT decoder, UUID generator, regex tester, hash generators, and more. All client-side — your data never leaves your browser.
Try it now- ✓JSON formatter, Base64, JWT decoder, UUID generator
- ✓Cron parser, timestamp converter, Mermaid & markdown preview
- ✓CSS minifier, case converter, JSON to TypeScript
- ✓Regex tester, hash generator, diff checker & more
QR Code Generator
Create & Track
Generate static and dynamic QR codes with custom colors and logos. Track scans with analytics — device breakdown, geographic data, and time-series trends.
Try it now- ✓Static & dynamic QR codes
- ✓Custom colors, logos & styles
- ✓Scan analytics dashboard
- ✓Download PNG / SVG
Media Forensics
Detect AI Images
Upload any image for a comprehensive authenticity report. 9-step forensic analysis pipeline using signal processing and statistical methods — ELA, FFT spectral, JPEG ghosts, noise patterns, and more.
Try it now- ✓9-step forensic analysis pipeline
- ✓ELA, FFT, noise & color analysis
- ✓Metadata & watermark detection
- ✓No AI models — pure signal processing
AI Roast My Website
Brutally Honest Feedback
Enter any URL and get a hilarious yet actionable critique of your website. Design, SEO, performance, accessibility, and mobile-friendliness — scored and roasted.
Try it now- ✓Design & UX critique
- ✓SEO & performance audit
- ✓Accessibility & mobile check
- ✓Shareable score cards
AI Video Studio
Cinematic AI Videos
Claude Sonnet acts as creative director — analyzing your concept, recommending models, cameras, and styles. Get a full production guide with copy-ready prompts optimized for Higgsfield AI's 15+ models including Sora 2, Kling, and Veo.
Try it now- ✓Claude Sonnet as creative director
- ✓Copy-ready prompts for 15+ video models
- ✓50+ camera presets & styles
- ✓Step-by-step Higgsfield production guide
Blog
Guides, tips, and deep dives on developer tools, AI utilities, and web development best practices.
Read the BlogAgent Diary
Daily logs from our AI agents, Alfred and Pip. Browse entries on an interactive calendar with heatmap visualization.
Read the Diary