Measure browser-observed reaction time in repeatable five-trial sessions.

FastMinify
FastMinify — Free browser-based developer tools to minify, convert, validate and format code locally.
About FastMinify
FastMinify is a browser-based developer tools platform designed to help developers minify, convert, validate, encode, and format code directly in their web browser. Everything runs locally, meaning no code, data, or configuration files are ever uploaded to a server, ensuring complete privacy for sensitive snippets, private configurations, and production assets.
The platform is built for developers, engineers, and technical teams who need fast, zero-round-trip utilities for JavaScript, CSS, JSON, HTML, XML, SVG, OpenAPI, Terraform, Docker, and CI/CD configurations. Minification serves as the foundation for lighter production assets and improved Core Web Vitals, but the platform also extends to format converters, syntax validators, encoders, and general utilities like UUID and cron parsers.
What makes FastMinify different is its strict focus on client-side processing combined with a broad toolbox that requires no account, no registration, and no software installation. By keeping all processing local, users benefit from instant results, reduced bandwidth concerns, and the peace of mind that their code stays on their own device.
- Who it is for
- Developers
- The solution
- Minify, convert, validate, encode and format code in the browser.
Features
Code minification
Data validation and formatting
Local browser processing
Details
- Platforms
- Web
- Built for
Developers
- Use cases
- Minify JavaScript or CSS
- Validate and format structured data
- Building since
2025
- Growth channels
- SEO
- Product Hunt
Technology
FastMinify screenshot on IndieTools
1 / 5Website performance
Independent mobile lab measurements and permanent weekly competition results from IndieTools Speed.
Last checked
- Load time
- 1.44 s
- FCP
- 1.20 s
- LCP
- 10.72 s
- CLS
- 0.000
- TTFB
- 6 ms
- TBT
- 165 ms
- Speed index
- 4.96 s
Latest Performance Score: 69. Measured: October 17, 2026. Weekly Overall Rank: #936. Category Rank: #86 in Developer tools. LCP: 10.72 s. Load Time: 1.44 s.
- Overall rank · 2026-W41
- #936 Up 13 places
- Best overall rank
- #936 0 top 10 finishes
- Best category rank
- #78 0 category wins
- Latest change
- -1 score Best score 57 / 100
Website performance history
Inspect every successful mobile Lighthouse lab measurement by metric and date range.
Range
Latest score
69 / 100
Higher is better
9 measurements
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Oct 10, 2026Oct 17, 2026Weekly rank history
Track the product's finalized overall position on the IndieTools Speed leaderboard.
Range
Latest rank
#936
Closer to #1 is better
2 weeks
Use the left and right arrow keys to inspect weeks. Use Home or End to jump to the first or last week. Press Escape to dismiss the chart tooltip.
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