Calculators Hub is a free suite of online calculators built for fast, accurate everyday problem solving. The platform covers math and statistics, health and fitness, finance and income, and unit conversions, giving students, professionals, and everyday users reliable answers without any signup or paywall.
Each tool is designed to be simple and dependable. Formulas are verified independently before release, checked against real values, and backed by reference tables so users get results they can trust. Finance and health calculators include verification dates and clear disclaimers, since those outputs often inform real decisions.
The ROI Calculator, for example, goes beyond a basic percentage return. It calculates total ROI, net profit or loss, and the annualized rate of return (CAGR), so users can compare investments held for different lengths of time on equal footing. Every calculation shows a full step by step breakdown.
Key features across the platform:
Instant, formula-verified results with no login required.
Clear worked steps and reference tables for context.
Coverage across 80+ tools in math, finance, health, and conversions.
Clean, fast-loading pages with no clutter.
Regular updates as formulas and rates change.
Calculators Hub is ideal for anyone who needs quick, trustworthy numbers, from a student checking homework to a professional running financial estimates.
Conphora gives companies selling physical products in the EU one place to manage the entire compliance workload that regulations like GPSR, CE marking, REACH, RoHS and ESPR create.
Connect your product catalogue, and Conphora checks every product against 48 EU regulations covering all 27 member states. Each product gets a live compliance status, and the platform produces the documentation the market demands — Declarations of Conformity included — generated automatically, hosted centrally, and shareable with marketplaces, business partners and authorities in seconds rather than email threads.
Regulations move constantly, so Conphora watches them for you: Compliance Radar sends product-level alerts the moment a rule change affects your catalogue. And because everything is stored as structured data rather than PDFs, Conphora customers are already prepared for the EU Digital Product Passport.
Teams work together in one workspace, and Conphora Academy adds built-in training with certification tracks for users, compliance managers and leadership. Companies that want compliance handled entirely for them can choose the Managed Service with a dedicated compliance manager.
Getting started takes minutes, not meetings: self-serve signup, first 20 products free, no credit card.
PortForm is a form backend and form submission management platform that lets anyone receive website form submissions without building a backend. It works for first-time founders, non-technical users, web developers, and teams, with simple no-code setup and developer-friendly APIs.
PortForm is AI-agent ready, allowing AI coding agents to create, configure, connect, and test forms through MCP (Model Context Protocol). Its Agent Sandbox lets AI agents build and verify forms before signup, making it easy to go from an idea to a working form without backend development.
With PortForm, you can connect existing HTML forms in minutes and manage form submissions, email notifications, file uploads, spam protection, CAPTCHA, autoresponders, CC emails, domain restrictions, exports, and integrations from one platform.
Key features:
* AI-agent form creation and management with MCP
* Anonymous Agent Sandbox for building and testing forms
* No-code form backend setup
* HTML form and API support
* Form submission management
* Email notifications and autoresponders
* File uploads and attachments
* Spam protection and CAPTCHA
* Domain restrictions
* Custom integrations
* Submission exports and delivery logs
* Unlimited forms and domains
PortForm makes it simple to build, connect, and manage website forms for non-technical founders, developers, businesses, and users building with AI coding agents.
Blockhertz AI Smart Contract Auditor
is a free browser-based security tool
that analyzes smart contracts for
critical vulnerabilities in under
60 seconds — no signup required.
Paste any Solidity, Rust, Move or
Vyper smart contract and get back
a complete security report including
an overall risk score, severity-ranked
vulnerability findings, and specific
fix recommendations for each issue
found.
The auditor detects the most costly
smart contract vulnerability classes:
Access control failures — responsible
for $953 million in losses in 2025.
Reentrancy attacks — responsible for
the $60 million DAO hack in 2016 and
$35.7 million in losses in 2025.
Oracle price manipulation — exploited
in the $114 million Mango Markets hack.
Integer overflow and underflow.
Unprotected initializers.
Flash loan attack vectors.
Unchecked external calls.
Timestamp dependence.
Delegatecall injection.
Front-running vulnerabilities.
Blockhertz AI Auditor is designed as
a free first-pass pre-audit tool for
blockchain developers. It is not a
replacement for a professional manual
security audit but significantly reduces
the cost and time of professional review
by catching obvious vulnerabilities
before the manual audit begins.
Audited contracts have 98% fewer hacks
than unaudited contracts.
Supports 16+ blockchains including
Ethereum, Polygon, Solana, Avalanche,
TON, Blast, Arbitrum, Base, and more.
Free plan available. Pro plan from $19
per month for unlimited audits.
blockhertz.com/tools/ai-auditor
Sonaopus is a context-layering tool that eliminates the need to re-explain your situation to AI every time you need something written. You enter the details of your situation once — case facts, an executive's preferences, a project's brief, a listing's context, a role's requirements and Sonaopus hands that information to whichever AI you already use (Claude, ChatGPT, or Gemini), so what comes back is specific to your actual work instead of generic.
It's structured stage by stage, by profession, across five verticals: HR Managers, Executive Assistants, Project Managers, Real Estate Agents, and Recruiters. Each profession has its own sequence of stages covering the recurring documents and communications that role produces — for example, HR runs from Weekly Priority Planner through Job Adverts, HR Policies, Offer Letters and Contracts, Employee Relations Case Documents, Internal HR Communications, and HR Reports.
Pricing: free to try (the first three stages, capped generations, no signup friction), then a one-time purchase for full access — no subscription.
What it doesn't do: Sonaopus never sends, submits, or acts on anything automatically. Every output is a document or recommendation the user reviews, edits, and decides on themselves. It covers the writing and communication layer of these roles, not the entire job.
hire.page is the modern hiring platform for startups, agencies, SaaS companies, and creators — a beautiful careers page builder and applicant tracking system in one product.
- Build a branded careers page in five minutes, with custom domain support, brand color auto-applied from your website, a media gallery, team photos, testimonials, benefits, company values, a team video greeting, and custom CSS/JS for full creative control.
- Write professional job descriptions in seconds with an AI assistant that adapts to your industry and tone.
- Collect applications through custom forms with portfolio links, GitHub, LinkedIn, file uploads, and proof-of-work questions.
- Manage candidates on a visual Kanban pipeline with custom stages, drag-and-drop, a table view, and bulk actions.
- Collaborate with your team using role-based access (Owner, Admin, Hiring Manager, Reviewer), structured reviews with star ratings, threaded comments, and a daily hiring digest.
- Automate candidate communication with confirmation emails, stage-triggered emails, and fully customizable templates.
- Track what's working with source analytics, funnel conversion, per-job performance, and Google Jobs structured data for SEO.
Free forever plan. 14-day Pro trial, no credit card required. Self-serve signup with no sales call. Cancel anytime.
Re:InvestorHub is an AI-powered platform for active real estate investors who run their own deals. We combine deal analysis, AI coaching, project management, and a portfolio dashboard in one place, replacing the typical patchwork of 4 to 5 separate tools investors use today.
Built for single-family rentals, BRRRR projects, and small commercial up to 25 units.
Key capabilities:
• Deal Analyzer with cash-on-cash, cap rate, and BRRRR cycle modeling, plus a 30-field scoring engine and Kanban pipeline
• AI Coach with three specialists: Lenny for financing (DSCR, hard money, creative finance), Sid for project management (budgets, contractors, change orders), and Annie for market analysis (comps, ARV, deal finding)
• Free calculators (BRRRR, Rental Cash Flow, MAO 70% rule) with no signup required
• Project management with change-order approval workflows and budget recalc
• Document management with OCR and vector search for inspection reports, lease abstracts, and tax docs
• Multi-user team workspaces with role-based access and Row-Level Security
• Portfolio dashboard with deal funnel visualization and AI-suggested next actions
Free to start. 14-day trial of the full Bronze tier. Active investor community with no guru hype and no crowdfund pitches.
Brand Analyzer is a free AI-powered tool that analyzes how your brand reads — to humans and to large language models. Get an instant brand score for any website across 7 key dimensions, with no signup required.
In the age of ChatGPT, Perplexity, and Claude, your brand isn't just judged by visitors — it's interpreted by AI models that decide whether to recommend you, summarize you correctly, or skip you entirely.
Brand Analyzer surfaces both sides of that equation.
What it does
Enter any URL and Brand Analyzer evaluates your brand across 7 dimensions: positioning, messaging clarity, visual identity, tone of voice, audience alignment, differentiation, and conversion readiness. You get a brand score plus actionable insights on how your site communicates — to people and to AI.
Who it's for
- Founders validating positioning before launch or fundraise
- Marketers auditing brand clarity for AEO/GEO readiness
- Agencies running fast brand diagnostics for clients
- Anyone preparing their site for an AI-first discovery world
Key features
60 second analysis from a single URL
7-dimension scoring - granular and actionable
Built for the AI era - clarity that humans and LLMs both understand
100% free - no account, no paywall
Shareable reports with permanent URLs
The influencer marketing industry has a fraud problem. Fake followers, inflated engagement, and bot-driven metrics make it nearly impossible to know whether a creator's audience is real before signing a contract. Veriscore solves this with deep audience intelligence.
Paste any Instagram, X, YouTube, or TikTok handle and receive a comprehensive report in under 2 minutes. The IREM evaluation engine analyzes 85 to 125+ signals per platform across five dimensions: authenticity integrity (account and follower realness), engagement stability (consistent, healthy engagement patterns), audience quality (composition and demographics), behavioral consistency (human vs. automated activity detection), and reputational risk (brand safety and content risk signals). Each dimension scores 0 to 100. The combined analysis produces a clear risk verdict: Legit, Monitor, Sketchy, or Run. Reports go beyond scores. They include performance predictions with ROI estimates, content alignment analysis, negotiation leverage points, and contract recommendations.
Client-ready 12-page reports with white-label options are built for agencies pitching to clients. Veriscore uses a credit-based pricing model with no subscriptions and no seat limits. V Credits never expire. Plans start at $50 for 250 credits (roughly 7 reports). 50 free V Credits on signup, no credit card required.
Willit is an AI-powered interview platform designed to transform how organizations gather and analyze qualitative insights. By facilitating natural, conversational interviews through AI, Willit enables users to define their learning objectives, share a simple link with respondents, and receive structured reports with extracted themes and direct quotes. This approach eliminates the need for traditional surveys and manual transcription, streamlining the process of obtaining actionable data.
Key Features and Functionality:
- Conversational AI Interviews: Willit conducts adaptive interviews that mimic natural conversations, encouraging respondents to share more detailed and candid information.
- Effortless Participation: Respondents can engage without the hassle of sign-ups or installations; a single link allows them to participate seamlessly.
- Automated Insight Extraction: The platform automatically distills conversations into key findings, themes, and direct quotes, providing structured insights without the need for manual analysis.
Primary Value and User Solutions:
Willit addresses the challenges associated with traditional qualitative research methods, such as low response rates and time-consuming data processing. By leveraging AI to conduct and analyze interviews, it offers a scalable and efficient solution for organizations seeking deep, actionable insights from their target audiences. This enables businesses to make informed decisions based on rich qualitative data, enhancing their understanding of customer needs, employee experiences, and market dynamics.
RepVolt turns a completed sales call transcript into cited coaching and ranked fixes. It is built for individual reps and small B2B sales teams. Upload or paste a call transcript. When the call supports a coaching note, RepVolt shows the exact line behind it, ranks up to 3 fixes, gives you a better first line, and keeps the score as context. Paid plans add rehearsal when the first ranked fix has a matching drill. Anyone can analyze one call free with no signup or card; this is not a recurring free plan. The free analysis and paid workspace both accept a common transcript file or pasted text. Fireflies sync and a secure transcript connection for another recorder are available in the paid workspace. RepVolt does not currently record calls, accept audio, replace a CRM, or forecast pipeline. Individual is $29 a month. Team is $24 per seat per month, 3-seat minimum, so $72 a month minimum. Paid plans are month to month with a 10-day trial: card at checkout, no charge until the trial ends, cancel before billing. Supported upload formats: PDF, DOCX, TXT, JSON, Markdown (.md/.markdown), CSV, TSV, VTT, and SRT, up to 10 MB.
OhoTool is a free online toolkit of 270+ browser-based utilities for
everyday document, image, and developer tasks — with no sign-up and no
software to install.
Most tools run entirely client-side in the user's browser, so files are
processed on the user's own device and never uploaded to a server. That
makes OhoTool a practical fit for teams handling contracts, invoices,
ID documents, or other sensitive material that shouldn't be sent to a
third-party server just to be converted.
Core capabilities include:
• PDF tools — convert to and from Word, merge, split, compress, and edit
• Image tools — convert formats, resize, crop, compress, remove
backgrounds, upscale, and extract text via OCR
• Developer utilities — JSON, JWT, hashing, regex, cURL-to-code,
formatters, and dozens more
• AI tools — Chat with PDF, writing assistants, and an AI Mock
Interview and Resume Reviewer
• Everyday tools — QR code generation, calculators, and unit converters
OhoTool is free and ad-supported. An optional Pro plan removes ads and
adds unlimited AI usage, advanced server-side document conversion, bulk
processing, dynamic QR codes with scan analytics, and a developer API.
Tools can also be embedded on other websites as widgets.
Invenva is inventory management software for small businesses and teams. It runs in any browser and as an app on iPhone and Android, with the same account and the same data everywhere.
Scan barcodes and QR codes with the phone camera to find, add, count or move an item. Stock in and stock out work offline on the phone and sync when you are back online. Set a minimum per item to get a warning before you run out, and keep expiry dates batch by batch so nothing expires unseen. Prepare supplier orders as checklists and book the delivery in one step. Count shelves without losing your place, even two people on one shelf, and apply the differences at once. Every movement is recorded with the person, the time and the value.
Invite your staff with a code or a link: viewers look, editors move stock, admins manage the team. Give each shop, depot or site its own workspace and transfer stock between them. Import your Excel or CSV list, and export stock lists, reports and count sheets as PDF or Excel.
One price covers the whole team, with no fee per person: Pro includes 5 people and 5,000 items for $99.99 a year. A free plan lets you try it on your real stock, and the demo opens in the browser with no sign-up. Available in 21 languages.
Platoo is a digital QR menu for restaurants, cafés and bars that serve international guests. Guests scan a QR code and the menu opens in their phone's browser, with no app and no sign-up.
Platoo automatically translates dish names and descriptions into the guest's language. For every dish you decide what guests see: the original name, the automatic translation or your own wording.
Each dish can show photos, ingredients and allergen icons, so guests know what they're ordering without asking staff about every item.
Changes take effect instantly. Update prices, add a dish of the day or mark an item as sold out, and guests see it right away. The printed QR code never needs reprinting.
Plans:
- Free: free forever, to get your menu online.
- Business: €4.99/month (or €4.24/month billed yearly) with a 14-day free trial. Up to 5 venues, unlimited automatic translations and visibility in Google.
- Professional: custom plan on request, including a custom menu design, POS integration, ordering from the table, a call-waiter button, advanced statistics and full support.
Platoo was founded in 2025 by a team from Ukraine, Romania, Poland and Georgia. It is built so that a restaurant owner can set up the menu without a designer, developer or agency.
Try the demo menu: https://menu.platoo.io/en/Z
HyperRoute TMS is trucking software built for small fleets, owner-operators, independent dispatchers and small brokers/3PLs. It replaces spreadsheets, group texts and paper binders with one system that runs every load from rate confirmation to payment.
Import a rate confirmation and the load is created for you. Dispatch it from the dispatch board, and your driver gets it in the HyperRoute driver app, where they update status and send PODs and BOLs from their phone. See live truck locations, then send invoices with the paperwork already attached and run driver settlements in a few clicks.
Built-in DOT compliance keeps you audit-ready. Track driver and truck documents with alerts before anything expires, run FMCSA checks by USDOT number, record IFTA miles by state, and download an audit binder.
HyperRoute connects with Samsara and Motive ELDs for actual miles and IFTA, with QuickBooks Online for accounting, and with HERE truck routing. Bring your existing customers, carriers, drivers and trucks over from a spreadsheet in minutes.
Dispo, the built-in AI assistant, answers questions about your loads, money and compliance and suggests next steps. It never changes anything on its own.
Try a live demo with no signup, or start a 14-day free trial.
Traffic Torch is a free, open-source, 100% client-side SEO and UX audit tool that runs entirely in the browser. No sign-up required, no tracking, no data storage. Users enter any website URL to receive an instant 360° health score (0–100) evaluating on-page SEO, Core Web Vitals, mobile responsiveness, PWA readiness, accessibility (WCAG basics), content quality, UX heuristics, security headers, and crawl/indexability factors.
Key features include:
Deep-dive modules with competitive gap analysis against top-ranking pages.
Keyword & search intent alignment scoring
E-E-A-T evaluation.
AI-suggested prioritized fixes, code snippets, and plugin recommendations.
Predictive insights on potential bounce rate or ranking impact (where data allows).
Educational explanations and help guides for every metric to help users learn and improve.
Built with modern web standards (Tailwind CSS, vanilla JS/Vue-style reactivity if used, fully responsive/mobile-first design), dark mode support (text: gray-800 light / gray-200 dark), PWA-ready manifest, PDF report export, and privacy-first architecture using secure CORS proxies.
Ideal for SEOs, digital marketers, web developers, agencies, and site owners seeking transparent, actionable insights to boost organic traffic and user experience without expensive SaaS subscriptions.
Hosted on GitHub + Cloudflare Pages for free, open access.
Racoons.ai is an AI-powered platform that helps small businesses and startups get more customers from their websites. It identifies what's preventing visitors from converting and tells you exactly what to fix, in plain English.
When you sign up, the platform immediately analyzes your website and highlights conversion, SEO, and design issues, no waiting for data to build up. Setup takes under 5 minutes, no technical expertise or credit card required.
Key capabilities include:
- Instant website analysis that identifies what's turning visitors away
- Monthly recommendations sent directly to your inbox based on your actual visitor data
- An AI assistant you can ask questions like "Why did signups drop last week?" and get clear answers in seconds
- Integration with popular development tools so your team can go from insight to fix quickly
- Tailored advice based on your specific business goal, whether that's sales, leads, subscriptions, or traffic
Racoons.ai offers a free plan, a Pro plan at $89/month, and custom Enterprise pricing. All plans include unlimited team seats.
The platform serves as an affordable alternative to hiring analytics consultants, giving businesses clear direction on what to improve without needing to interpret complex dashboards or reports.
Deckdrop is an AI-powered research agent designed to streamline the due diligence process for venture capitalists, private equity firms, and other investors. By simply emailing a pitch deck or company URL, users receive a comprehensive, investor-grade report within 10 to 15 minutes. This service eliminates the need for account creation or portal navigation, offering a confidential and efficient solution for evaluating potential investments.
Key Features and Functionality:
- Rapid Report Generation: Delivers detailed reports within 10–15 minutes of submission.
- Comprehensive Analysis: Includes company summaries, competitor mapping, market structure and size (TAM/SAM), industry trends, recent funding activities, customer segments, go-to-market strategies, risk assessments, pricing models, leadership snapshots, and referenced sources.
- User-Friendly Process: Requires only an email submission of a pitch deck or company URL; no sign-ups or portals needed.
- Flexible Pricing: Offers a pay-as-you-go model with the first five reports free, and subsequent reports priced between $2.00 and $2.50 each, depending on volume.
Primary Value and Problem Solved:
Deckdrop addresses the time-consuming nature of investment research by automating the creation of detailed, investor-grade reports. This allows investors to quickly assess potential opportunities, make informed decisions, and efficiently manage their deal flow without the overhead of manual research processes.
TextGhost is a secure and user-friendly platform that enables users to send anonymous SMS messages worldwide instantly. Designed with privacy at its core, TextGhost allows individuals to communicate without revealing their identity, ensuring messages are delivered swiftly and securely across all devices.
Key Features and Functionality:
- Private Messaging: Send texts without disclosing your identity, maintaining complete anonymity.
- Instant Delivery: Messages are delivered promptly, ensuring reliable communication.
- Global Coverage: Reach recipients anywhere in the world with trusted delivery routes.
- Ease of Use: No sign-up or setup required; simply enter the recipient's number, type your message, and send anonymously in seconds.
- Message Control: Track delivery status and manage sent messages while keeping your identity hidden.
- Secure & Encrypted: Utilizes advanced SMS technology to ensure every message remains secure, private, and untraceable.
Primary Value and User Solutions:
TextGhost addresses the need for confidential communication by providing a platform where users can send anonymous SMS messages without compromising their privacy. It eliminates the necessity for account creation or personal information, offering a straightforward and secure solution for those seeking to communicate discreetly. Whether for personal reasons or professional discretion, TextGhost ensures that users can maintain their anonymity while delivering messages efficiently and reliably.
Mojo by Demandbase is an always-on AI marketing agent for B2B teams. It plans, executes and watches campaigns inside the tools you already use, then learns from each one so you can repeat what works.
Give Mojo a brief and it builds the plan, sets up audiences and campaigns, checks UTMs and conversion tags before anything goes live, and launches across your ad platforms. After launch it keeps watching: it flags spend drift and broken tracking, catches leads stalling between forms, marketing automation and CRM, and shows where budget went and what pipeline it produced. Weekly reporting, budget pacing and quarterly retrospectives run on a schedule and post to Slack.
You choose how autonomous Mojo is: it can act on its own, ask before higher-risk changes, or stay read-only. Mojo ships with B2B funnel knowledge (stages, MQLs, pipeline coverage, attribution windows) and remembers your team's own definitions.
Mojo is a standalone product with its own website (trymojo.ai), signup and pricing, and does not require Demandbase One. It works with OpenAI Ads, LinkedIn Ads, Google Ads, Meta Ads, Salesforce, HubSpot, Marketo, GA4 and Slack. Every plan includes every feature and unlimited users, and teams can start free on sample data with no setup.