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Free online tools that run entirely in your browser. 90+ calculators (GST, EMI, percentage, BMI, income tax, scientific), image converters (WebP, PNG, JPG, HEIC, compress, resize), text tools (duplicate line remover, word counter, JSON formatter) and URL tools (encoder, slug generator, UTM builder). No sign-up, no uploads, instant results - everything is private by design.

PH · launched Sep 9, 2026 · 1 upvote (top 69%) · 1 view

Niche: browser-based utility tools · 670 launches, 61 in the last 7 days ▼ -10% · Explore this niche →

Category and tags

  • Horizontal
  • Dev tools
  • B2C
  • Not AI
  • Commercial product
  • Developer Tools

Visit website ↗ Source listing ↗

Could you build this?

Yes This is a directory of client-side web utilities and calculators written in vanilla JavaScript or WebAssembly, completely achievable with AI code generation in days to weeks.

Competitors

Other products that read as similar to this one : 1555 launches clear the similarity bar, closest 8 shown.

Attention rank: #1184 of 1556 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 309 days after the earliest competitor.

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.