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2026-06-11

Useful Tools

Top arrivals in Useful Tools.

Useful Tools · score 82.0

SeqBench — fast, private bioinformatics in your browser

seqbench.com ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A free suite of DNA/RNA/protein tools that runs locally in your browser—no sign-up, no uploads.

Useful Tools · score 78.0

Co-Parent Harmony

coparentharmony.com ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A one-time-price shared calendar + expense-splitting tool built specifically for co-parenting households.

Useful Tools · score 78.0

Iron Kettlebell — Standards + calculators for serious kettlebell training

ironkettlebell.com ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A single hub of calculators that translate kettlebell standards (Simple & Sinister, SFG, snatch test, Q&D, Pavel programs) into starting weights, pacing, and timelines.

Useful Tools · score 78.0

MultiTool Panda — 41 browser-side tools (no uploads, no sign-up)

multitoolpanda.com ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A tidy “toolbox” site bundling PDF/image/text/dev/SEO utilities that explicitly run client-side in your browser.

Useful Tools · score 78.0

Helm — the “owner OS” for independent restaurants

restauranthelm.com ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A restaurant-operations dashboard pitched as a single place to manage managers, inventory/waste, schedules, and cashflow.

Useful Tools · score 78.0

RideVillage turns carpool group-text chaos into a schedule

ridevillage.com ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A phone-first carpool organizer that promises a fair rotation, one-tap ride swaps, and reminders—built for real Tuesday mornings.

Useful Tools · score 78.0

Screen Color Picker

screencolorpicker.com ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A free in-browser color picker that uses the EyeDropper API to sample pixels anywhere on your screen (with a screenshot fallback).

Useful Tools · score 78.0

The Pay Checker — multi-country tax & take-home calculator

thepaychecker.com ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A free, no-signup tax and personal-finance calculator suite for the US, UK, Australia, and Canada—built around plain-English explanations.

Useful Tools · score 78.0

VISAPrep — International Relocation Guides & Visa Tools 2026

visaprep.net ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A no-signup relocation toolkit with visa checklists, proof-of-funds calculators, cover-letter and timeline generators, plus destination “corridor” guides.

Useful Tools · score 74.0

Board Cut Calc: a zero-friction cut list optimizer

boardcutcalc.com ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A free, in-browser linear cut calculator that packs your lumber parts into the fewest boards while accounting for blade kerf.

Useful Tools · score 74.0

CollectSwap — le matchmaker pour albums de stickers

collectswap.fun ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

Une app (promue sur le site) qui transforme les listes de manquants/doubles en échanges directs, avec une demande WhatsApp prête à envoyer.

Useful Tools · score 74.0

Cursed Text Generator

cursedtextgenerators.com ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A free Unicode “cursed text” generator that turns normal words into glitchy, Zalgo-stacked horror-style usernames and captions.

Useful Tools · score 74.0

TrainerDesk — client management for dog trainers

dogtrainerdesk.app ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A purpose-built client/dog/homework/progress app for dog trainers, pitched with unusually trainer-first copy and clear early-access pricing.

Useful Tools · score 74.0

FastConvert: in-browser image & PDF conversions (zero uploads)

fastconvert.tech ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A free set of image/PDF conversion tools that claims everything runs locally in your browser—plus a privacy-forward “no data collection” page.

Useful Tools · score 74.0

Finals Calculator

finalscalculator.org ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A no-signup weighted-grade calculator that tells you exactly what score you need on your final (and shows scenario tables).

Useful Tools · score 74.0

GlobalPixel — a no-signup browser image editor

globalpixel.online ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A free, in-browser image editor that claims “no uploads” and offers a full set of crop/resize/rotate/compress/convert tools.

Useful Tools · score 74.0

GradePilot — Free Grade & GPA Calculators

gradepilothq.com ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A no-sign-up grade/GPA calculator hub with 15+ calculators and “live results as you type.”

Useful Tools · score 74.0

RC Setup Lab

rcsetuplab.com ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A pit-assistant style toolkit for diagnosing RC car setup problems and comparing upgrade trade-offs.

Useful Tools · score 74.0

SubPrice.org compares official app subscription prices by country

subprice.org ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A subscription-price comparison tool that claims to auto-scrape and verify App Store regional pricing across dozens of countries.

Useful Tools · score 74.0

TaxAndTip — Tip + Tax + Bill Split Calculator

taxandtip.com ↗
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible Ads: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern ƒJS: site is framework or SPA-driven — content loads client-side

A browser-based tip calculator that also handles tax presets, service charges, and splitting a bill across multiple people (including unequal splits).