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RapidCalc

300+ Browser utilities, calculators & converters

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This is 1 of 360 launches in browser-based utility tools — see how it stacks up on momentum and crowding →

188 other launches read as similar to this one →

Details

External ID
1270356
Source
PH
Company
—
Product
RapidCalc
Website domain
producthunt.com
Launched
Oct. 8, 2026
Cohort
—
Upvotes
8
Upvotes percentile
0.94
Tags
Productivity, Privacy, Developer Tools

Description

RapidCalc is a zero-backend suite of over 150 browser-based calculation and developer utilities. Spanning 9 categories like Finance, Dev, and Math, the tools execute entirely client-side using pure HTML5, CSS3, and Vanilla JavaScript. Your files and data are never uploaded to a server, ensuring 100% privacy and zero network latency.

Enrichment

Niche
browser-based utility tools
Vertical
Horizontal
Function
Workflow automation
Audience
Prosumer
AI stance
Not AI
Project type
Hobby / open-source project
Normalized one-liner
calculators and conversion utilities for browser users
Manually corrected
False

Could you build this?

Yes A suite of zero-backend client-side utilities and converters in vanilla JS/HTML/CSS is an ideal match for rapid AI-assisted code generation.

Competitors

Other products that read as similar to this one — 188 launches clear the similarity bar, closest 8 shown.

Attention rank: #4 of 189 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).

Launched 325 days after the earliest competitor.

Other launches for this product