Explore Everything

2.5D Parallax 3D Camera Zoom Web Development & DevOps

Create mesmerizing 2.5D camera zoom and parallax depth displacement videos from a single still 2D photo.

3D Shipping Box Optimizer & Packing Calculator Business, Finance & E-Commerce

Interactive 3D bin packing optimizer and dimensional weight calculator to minimize box size, reduce shipping fees, and plan pallet layouts.

AI Agent Dialog Latency Visualizer AI & Machine Learning

Map LLM TTFT (Time To First Token), tool execution, and voice synthesis delays in conversational AI agents.

AI Color Palette Generator (OKLCH & Perceptual) Design & UI/UX

Generate harmonious, accessible color palettes using local AI and OKLCH color science. Extract palettes from images and export design tokens.

AI Object Eraser & Inpainter Web Development & DevOps

Free AI-powered object eraser and smart inpainter. Paint over anything — backgrounds, people, text, watermarks — and watch it disappear. 100% browser-based, no uploads.

AI-Safe Robots.txt Shield Generator AI & Machine Learning

Instantly compile a clean security rule file specifically optimized to block emerging AI crawlers and scrapers from indexing content.

ATS Resume Scanner & Robot Parser Simulator Productivity, Hardware & Utilities

Simulate how ATS hiring robots read your resume. Extract plain text, score job description keyword match, and fix formatting errors offline.

Algorithmic Bias Compliance Auditor AI & Machine Learning

Audit decision models for Disparate Impact and Equal Opportunity violations under EU AI Act guidelines.

App Store & Google Play Screenshot Auto-Resizer Design & UI/UX

Batch resize screenshots for every App Store & Google Play size spec — iPhone, iPad, macOS, Apple Watch, Apple TV, Android, Wear OS, ChromeOS. 22+ sizes, 4 resize modes, ZIP export. 100% browser-side.

Apple Wallet & Google Pass Builder Web Development & DevOps

Visually architect pass.json structures for Apple Wallet (.pkpass) and Google Wallet passes.

Auto Loan & Lease Automotive & Transportation

The most advanced auto finance toolkit. Compare lease vs. buy scenarios, calculate monthly payments, generate complete amortization schedules with extra payments, and model vehicle depreciation over time. 100% free and client-side.

Balance Sheet Ratio Calculator Financial & Real Estate

Is your business financially healthy? Calculate key liquidity, solvency, and profitability ratios instantly.

Biometric Passport Photo Verifier Web Development & DevOps

Instantly verify passport & visa photo compliance using 468-point MediaPipe 3D facial landmark AI ? checks eye level, head size, yaw & pitch against ICAO 9303 standards. 100% private, runs in your browser.

Bulk EXIF & 300 DPI Print Converter Web Development & DevOps

Convert digital art and photos to 300 DPI print-ready formats with exact physical print dimension calculations.

Bulk EXIF Metadata Stripper Web Development & DevOps

Remove hidden EXIF GPS coordinates, camera serial numbers, and timestamps from batches of photos in seconds.

Bulk GA4 UTM Campaign Architect Business, Finance & E-Commerce

A spreadsheet-like grid to instantly build, validate, and track bulk UTM parameters for Google Analytics 4 (GA4) campaigns.

Bulk Image Compressor & WebP Converter Productivity, Hardware & Utilities

Compress, convert, resize, and optimize bulk images in your browser. Convert JPG/PNG to WebP, reduce file sizes up to 90%, and export ZIPs.

Business & Commercial Financial & Real Estate

12 free business calculators: gross margin & markup, break-even, business valuation, DSCR, LTV:CAC, salary converter, overtime (US/CA), commercial loan, depreciation, commission & freelancer rate.

Business Break-Even Calculator Financial & Real Estate

Find out exactly how many products you need to sell to stop losing money and start turning a profit.

Business Valuation Calculator Financial & Real Estate

Selling your business? Calculate your company's true enterprise value using Wall Street-grade EBITDA multiples.

CSS Flexbox & Grid Scaffold Mixer Design & UI/UX

Visually construct and export complex, responsive CSS Grid and Flexbox layouts without writing code manually.

CSS Fluid Typography Scale Design & UI/UX

Design responsive type scales with fluid clamp() values. Preview live across mobile, tablet, and desktop viewports.

CSS Glassmorphism & Noise Layer Blender Design & UI/UX

Generate advanced CSS glassmorphism effects blended with SVG noise textures for modern, tactile UI design.

CSS Scroll-Driven Animations Playground Design & UI/UX

Visually manipulate structural element tracking windows to interpolate frame nodes into copy-paste scroll-timeline rules.

Car Affordability Calculator Financial & Real Estate

Determine exactly how much car you can afford based on your salary, monthly budget, and down payment.

Car Depreciation Calculator Financial & Real Estate

Calculate how much value your new or used car will lose over time and estimate its future resale value.

Car Loan Payment Calculator Financial & Real Estate

Avoid dealership markup surprises. Calculate your true out-the-door auto loan payment including taxes and trade-ins.

Chemistry & Science Physics & Chemistry

Molarity, half-life, radioactive decay & lab tools.

Convolution Sharpen & Upscale Web Development & DevOps

Recover blurry or out-of-focus product shots using high-pass convolution kernels and unsharp masking algorithms.

Core Web Vitals INP Debugger Web Development & DevOps

Audit Interaction to Next Paint (INP) bottlenecks by simulating main-thread blocking and layout thrashing.

Crypto Arbitrage Matrix Financial & Real Estate

Spot a price difference across exchanges? Calculate your exact arbitrage profit after trading and withdrawal fees.

Crypto Exchange Fee Analyzer Financial & Real Estate

Calculate the exact hidden costs of your crypto trades, including bid-ask spreads and tiered Maker/Taker fees.

Crypto Gas Fee Calculator Financial & Real Estate

Never get stuck with insufficient funds. Calculate exact network gas fees in USD before executing your blockchain transactions.

Crypto Profit & Loss Calculator Financial & Real Estate

Find out exactly how much profit you made after hidden exchange fees and spread costs.

Currency & Crypto Calculators Financial & Real Estate

Convert 160+ fiat currencies and 10,000+ crypto assets in real-time. Features 12+ free tools including a live converter, travel budget planner, DeFi impermanent loss, and hidden fee analyzer.

DIY & Construction Construction & Home

10 free DIY tools: concrete, lumber, paint, tile, roofing, drywall, framing, deck, fence & mulch calculators. Waste-factor included. No signup.

DMARC, SPF & BIMI Brand Security Architect Cybersecurity & OSINT

Generate strict DMARC, SPF, and BIMI DNS records. Convert company logos into the strict SVG Tiny PS format required for BIMI email authentication.

Developer & IT Tech & IT

Free dev toolkit: JSON formatter, Base64 encoder/decoder, JWT decoder, password generator (crypto.getRandomValues), UUID v4, MD5/SHA-256/SHA-512 hash generator, IPv4/CIDR subnet calculator, number base converter, regex tester, cron builder.

Disposable Email & Burner Domain Risk Grader Cybersecurity & OSINT

Scan validation lists against string parameters to cross-reference and flag throwaway mailbox setups.

E-Commerce Drop Shadow Synth Web Development & DevOps

Synthesize realistic, physically accurate directional or contact drop shadows for white-background e-commerce product photos.

ESG & Carbon Financial & Real Estate

Carbon tariff, CBAM, net-zero & ESG offsets.

EU AI Act Compliance Matrix & Risk Audit Tool AI & Machine Learning

Evaluate machine learning pipelines against global regulatory frameworks to instantly categorize system deployments into risk compliance tiers.

EU CSRD Scope 3 Carbon Matrix Sustainability & Clean Energy

Calculate and visualize Scope 3 supply chain greenhouse gas (GHG) emissions for CSRD compliance.

EV vs Gas Savings Calculator Financial & Real Estate

Compare the true cost of ownership between Electric Vehicles and Gas Cars, including charging costs, tax credits, and winter range penalties.

Eco-Delivery Packaging Volume Reducer Sustainability & Clean Energy

Calculate optimal corrugated box dimensions to minimize dimensional weight (DIM) and carbon shipping footprint.

Edge & Spatial Computing Tech & IT

Edge latency, spatial bandwidth, CV inferencing & IoT.

Education & School Math & Statistics

GPA, student loans, attendance & academic tools.

Engineering & Weather Physics & Chemistry

Apparent temp, ideal gas law & engineering tools.

Favicon Multi-Preview Workspace Design & UI/UX

Upload an icon to preview it across Chrome tabs, Safari dark mode, Windows taskbar, and phone home screens simultaneously.

Fiat Currency Converter Financial & Real Estate

Get the true mid-market exchange rate without bank markups. Convert any global currency instantly.

Fiat Inflation Calculator Financial & Real Estate

Inflation is a hidden tax. Calculate exactly how much purchasing power your cash savings will lose over time.

Fitness & Health Fitness & Health

Free TDEE & Macro Calculator Hub: TDEE, BMR, macro splits (Keto/Low-Carb/Balanced), BMI, body fat % (Navy), 1RM, Karvonen heart rate zones, run pace, sleep cycles.

Free HTML Email Signature Generator Business, Finance & E-Commerce

Create a professional HTML email signature in seconds. Live preview, multiple templates, social icons, logo, and CTA button. Zero server uploads — 100% private, client-side generation.

Gaming & eSports Tech & IT

eDPI, Genshin pity, PC bottleneck & microtransactions.

Generative Outpaint & Canvas Uncrop Web Development & DevOps

Expand square or landscape photos into 9:16 vertical reels and TikTok canvas formats without awkward black bars.

Impermanent Loss Calculator Financial & Real Estate

Don't provide liquidity blindly. Simulate price divergences to see how much impermanent loss you will suffer in DeFi AMMs.

Industrial Engineering Electrical & Electronics

OEE, hardware BOM, immersion cooling & manufacturing.

Interactive 3D Studio Relighting Web Development & DevOps

Virtually relight portraits and objects in post-production using interactive point lights, normal maps, and rim lighting.

Interactive CSS Shadow Blender Design & UI/UX

God-Tier CSS Shadow Engine: Multi-layer logarithmic diffusion, Neumorphism Soft UI calculations, and Tailwind/Token exports.

Investment & ROI Financial & Real Estate

10 free investment & ROI calculators: compound interest, IRR, PV/FV, FIRE, Roth vs Traditional IRA, Rule of 72, RMD, pension income, budget planner & SIP.

JSON Formatter & Validator Web Development & DevOps

Format, validate, and convert massive JSON payloads to CSV/YAML safely in your browser. Features BigInt protection and strict zero-telemetry architecture.

JWT Decoder, Verifier & Security Inspector Web Development & DevOps

Inspect, verify, and debug JSON Web Tokens offline in your browser. Validate HMAC/RSA/ECDSA signatures and audit security vulnerabilities.

Kubernetes (K8s) YAML Deployment Scaffolder Web Development & DevOps

Visually scaffold perfectly formatted, error-free Kubernetes YAML files for Deployments, Services, and Ingress resources.

LLM & AI Calculators Tech & IT

10 free AI & LLM tools: VRAM calculator, token cost estimator, quantization comparison, KV cache, GPU batch size, inference latency, RAG cost, embedding cost, fine-tuning compute & AI ROI.

LLM RAG Document Chunk Visualizer AI & Machine Learning

Visualize token boundaries, text chunking strategies, and overlap thresholds for RAG vector databases.

LaTeX Equation Visual Renderer & MathML Studio Productivity, Hardware & Utilities

Render LaTeX math expressions into vector SVG, high-DPI PNG, and MathML. Live visual preview with AMS-LaTeX and chemistry support.

Lease vs Buy Car Calculator Financial & Real Estate

Stop guessing. Mathematically prove whether leasing or financing is cheaper for your specific vehicle and driving habits.

Lens Flare, Bokeh & Film Grain Web Development & DevOps

Add organic anamorphic lens flares, realistic optical bokeh, chromatic aberration, and 35mm analog film grain.

Local CSV to SQL / Apache Parquet Converter Productivity, Hardware & Utilities

Process massive 500MB+ CSV files entirely in your browser using WebAssembly. Convert local CSVs into highly compressed Apache Parquet files or SQL dumps.

Math & Science Math & Statistics

The most complete free math & science toolkit: scientific calculator with all trig/log functions & constants, 4x4 matrix algebra, descriptive & probability statistics, geometry solver for 15+ shapes, scientific notation converter, fraction arithmetic, physics formulas for mechanics/energy/waves, percentage & ratio tools. All client-side — no data leaves your browser.

Medical & Clinical Calculators Fitness & Health

10 free clinical tools: BMI, BMR, eGFR, BSA, QTc, IV drip, MAP, due date, pregnancy weight & BAC. Evidence-based, privacy-first.

Mortgage & Real Estate Financial & Real Estate

14-in-1 mortgage & real estate suite: PITI, Closing Costs, Rental ROI, Fix & Flip, BRRRR, Refinance, HELOC, Affordability, Rent vs Buy, FHA/VA, Stamp Duty (AU) & SBI EMI (IN).

Multi-Region Cron Timezone Visualizer Web Development & DevOps

Simulate CRON expressions across distributed server timezones to prevent overlap and daylight savings bugs.

NIST Post-Quantum Crypto (PQC) Key-Size & Packet Latency Simulator Cybersecurity & OSINT

Model packet fragmentation and network handshake slowdowns when migrating infrastructure to ML-KEM or ML-DSA.

OKLCH & P3 CSS Color Space Generator Design & UI/UX

Create stunning, perceptually uniform color palettes using OKLCH and Display-P3 wide color gamuts.

OSINT Image EXIF Coordinate Tracer Cybersecurity & OSINT

Extract buried EXIF geographical metadata from media uploads to instantly trace coordinates on a secure canvas map.

Offline JSON Schema Builder Web Development & DevOps

Visually design, validate, and export strictly typed JSON Schemas (Draft 7/2020-12) for your APIs.

Old Photo Restoration Web Development & DevOps

Restore faded, yellowed, and low-contrast scanned family photos with automated histogram equalization and tone curves.

Omni Image Animation & AI Studio Web Development & DevOps

Transform photos into animated line-by-line hand-drawn pencil sketches and architectural line art drawings.

PII Document Anonymization Brush Cybersecurity & OSINT

A forensic-grade image redaction suite running entirely locally. Strip hidden EXIF metadata and mathematically obliterate sensitive text using cryptographic pixel displacement.

PNG to SVG Vectorizer for Cricut & Laser Cutters Web Development & DevOps

Vectorize raster images into clean SVG and DXF paths for Cricut, Silhouette, and laser cutters. Multi-layer color separation and cut optimization.

Palette Contrast Heatmapper Design & UI/UX

Enter 5 brand hex colors. Get a full cross-reference grid of every text/background pairing with WCAG pass/fail scores.

Photo to Retro Pixel Art Converter Web Development & DevOps

Convert any photo into crisp, authentic 8-bit or 16-bit retro pixel art.

Regex Visual Flowchart & Live AST Debugger Web Development & DevOps

Turn complex regular expressions into interactive visual flowcharts. Test string matches, inspect AST tokens, and audit ReDoS risks offline.

Responsive Iframe Embed Code Generator Web Development & DevOps

Generate clean, responsive, secure iframe embed codes with live preview. Auto-detect YouTube, Vimeo, Google Maps, Spotify, Figma & 15+ platforms. Includes sandbox security, lazy loading, aspect-ratio calculator & X-Frame-Options checker.

Retail Margin & Markup Calculator Financial & Real Estate

Optimize your retail pricing strategy. Calculate the exact difference between Markup percentage and Profit Margin percentage.

SVG viewBox & Path Rescaler Design & UI/UX

Mathematically recalculate and scale raw SVG path coordinates and viewBox attributes without losing precision.

SVGO Vector Path Precision Optimizer Design & UI/UX

Advanced SVG optimization tool powered by SVGO to drastically reduce file sizes, clean vector paths, and improve web performance.

Salary & Tax Calculators Financial & Real Estate

10 free salary & tax tools: take-home pay, income tax brackets, FICA calculator, capital gains tax, 401(k) projector, bonus tax & salary converter with 2026 rates.

Smart Saliency Auto-Center Crop Web Development & DevOps

Automatically center-crop photos based on the subject's visual saliency and contrast mass.

Social Media & Creators Financial & Real Estate

Sponsorship ROAS, burnout velocity & creator income.

Social Media Safe-Zone Studio Pro Business, Finance & E-Commerce

Interactive safe-zone visualizer, 2026 UI overlay simulator, and text collision radar for TikTok, Reels, Shorts, and Snapchat.

Solar & Smart Home Construction & Home

Solar ROI, EV charger, heat pump & battery arbitrage.

Sound Wave Art Generator & Vector Waveform Studio Design & UI/UX

Turn songs and voice recordings into printable sound wave art and vector SVG paths. Create custom posters, tattoo stencils, and laser engravings.

Startup & MRR Financial & Real Estate

10 free startup tools: MRR/ARR projections, startup valuation, SAFE dilution, cap table, burn rate & runway, LTV:CAC, cohort churn & NRR, Rule of 40, ESOP pool & VC round dilution. Zero signup.

Synthetic Data Distribution & Bias Mapper AI & Machine Learning

Cross-reference generative data outputs against baseline curves to isolate synthetic drift and data decay.

Tailwind CSS Arbitrary Value & Variant Builder Cybersecurity & OSINT

Interactively construct and preview complex arbitrary variants in Tailwind CSS without leaving the browser.

Time & Date Calculators Time & Date

10 free time & date tools: days between dates, age, add/subtract, countdown, world clock, timezone converter, Unix timestamp, business days, work hours & week number.

Tire Size & Speedometer Calculator Financial & Real Estate

Compare tire sizes and see exactly how changing your tire dimensions will affect your speedometer reading.

Unstructured Bank Statement Sanitizer Cybersecurity & OSINT

Format messy raw bank data rows into a clean, downloadable spreadsheet.

Vertical Video Frame Overlay Studio Design & UI/UX

Interactive 16:9 to 9:16 pan-and-scan reframe studio. Plan subject tracking keyframes, test split-stack podcast crops, preview 4:5 feed masks, and export NLE scripts or cropped video locally.

Visual CSP Header Builder & Auditor Web Development & DevOps

Build, test, and generate robust Content Security Policy (CSP) headers visually to secure your web applications against injection attacks.

Visual Timezone Overlap Slider Productivity, Hardware & Utilities

Find the perfect meeting time across multiple global timezones using an intuitive visual slider.

WCAG 2.1 / 2.2 & APCA Color Contrast Checker Studio Design & UI/UX

Calculate WCAG 2.1/2.2 and APCA contrast ratios, simulate 8 color blindness modes, auto-fix colors in OKLCH, and audit design system palettes.

Wealth & Net Worth Financial & Real Estate

The definitive toolkit for wealth building. Track your exact Net Worth, calculate your FIRE (Financial Independence) number, model compound interest, compute bond yields to maturity, and analyze capital gains tax impact. 100% free and private.

WebAssembly (Wasm) Linear Memory Page Allocator Web Development & DevOps

Optimize low-level 64KB web memory page allocations to eliminate runtime heap overflow crashes.

WebGL Fluid Simulation Canvas Design & UI/UX

Create mesmerizing, interactive liquid and smoke dynamics right in your browser.

WebGPU Compute Pipeline Memory Visualizer Productivity, Hardware & Utilities

Allocate and debug compute shader buffer sizes to prevent silent WebGPU device crashes.

WebXR Passthrough Latency & Frame Pacing Performance Auditor Design & UI/UX

Map rendering loops, sensor-to-photon latency, and frame pacing budgets to keep WebXR experiences above 90 FPS.

Webhook Exponential Backoff Simulator Web Development & DevOps

Simulate and calculate exponential backoff, jitter, and retry queues for webhook delivery systems.

YouTube Thumbnail Squint Test & Accessibility Simulator Design & UI/UX

A professional validation toolkit to simulate YouTube UI contexts, test thumbnail contrast, and optimize for maximum Click-Through Rate.

Zero-Knowledge Proof (ZKP) Validation Sandbox Cybersecurity & OSINT

Simulate cryptographic verification handshakes to authenticate user states without exposing private data.