veomark.com

Free calculators & creator tools

72 instant, browser-side utilities for finance, creators, developers, and daily health. No accounts, no uploads to a server.

View full tools index →

Browse tools

Search by name, filter by category or status, and cluster results your way.

Finance & Money PayPal Fee Calculator Exact net, gross, and invoice amount after PayPal fees.

Finance & Money Stripe Fee Calculator Domestic, international, FX, and ACH fees - net payout and invoice gross-up.

Finance & Money Etsy Profit Margin Calculator Listing, 6.5% transaction, payments, Offsite Ads, COGS, and postage vs net profit.

Finance & Money Shopify Profit Margin Calculator Plan-tier gateway fees, COGS, and ads vs profit per item and monthly net.

Finance & Money Freelance Hourly Rate Calculator Minimum billable rate from take-home, overhead, tax, PTO weeks, and hours.

Finance & Money Crypto Profit/Loss Calculator Buy vs sell price, fees, and P/L.

Finance & Money Simple Loan EMI Calculator Monthly EMI, interest, and tenure.

Finance & Money Discount & Sales Price Calculator Percent off, sale price, and original price.

Finance & Money VAT / GST Tax Calculator Tax-inclusive and tax-exclusive amounts.

Finance & Money Compound Interest Calculator Principal, rate, and compounding periods.

Finance & Money Freelance Rate & Project Scope Calculator Hourly, daily, and project quotes after tax, PTO, overhead, and profit margin.

Finance & Money SaaS LTV Calculator Churn, LTV, LTV:CAC ratio, CAC payback, and 12-month revenue.

Finance & Money Amazon FBA Fee Calculator Referral, FBA fulfillment, unit margin, and ROI after COGS and inbound.

Finance & Money Startup Runway Calculator Month-by-month cash runway from burn, revenue growth, and capex - plus zero-cash date.

Finance & Money Break-Even Calculator Monthly units and revenue to cover fixed costs after contribution margin.

Finance & Money ROI Calculator Simple ROI, net profit or loss, and annualized CAGR from initial, final, and years.

Finance & Money ROAS Calculator Platform ROAS vs true net profit after COGS, payment fees, and shipping.

Finance & Money Churn Rate Calculator Logo churn, gross and net revenue churn, retention, and implied customer lifespan.

Finance & Money CAC Payback Calculator Gross-margin-adjusted CAC payback, capital-adjusted months, and LTV:CAC preview.

Finance & Money Working Capital Calculator Net working capital, current ratio, and quick ratio from cash, AR, inventory, and payables.

Finance & Money Upwork Fee Calculator 10% service fee, withdrawals, tax, and inverse invoice gross-up.

Social & Creators TikTok Engagement Rate Calculator Follower or view ER, 5-video average, tier badge, and brand-deal range.

Social & Creators Instagram Engagement Rate Calculator Follower ER from likes, comments, and saves, with grade and like-to-comment ratio.

Social & Creators YouTube Channel Money Estimator Views times niche CPM ranges.

Social & Creators TikTok Money Calculator Views, gifts, and creator-fund estimates.

Social & Creators YouTube Shorts RPM / Earnings Estimator Shorts views times RPM.

Social & Creators Social Media Bio Font Generator Unicode bold, italic, and fancy text.

Social & Creators Hashtag Clean & Format Tool Dedupe, spacing, and hash prefixes.

Social & Creators Tweet / X Character Counter Character count with line-break formatting.

Social & Creators Instagram Grid Preview Splitter Split an image into grid dimensions.

Social & Creators Video Aspect Ratio Calculator Convert 16:9 to 9:16 dimensions.

Social & Creators YouTube RPM Calculator AdSense RPM/CPM by niche and geo, Shorts vs long-form, extra streams.

Social & Creators UTM Builder & Campaign Link Generator Campaign URLs with source, medium, lowercase, space rules, copy, and QR.

Developer & Webmaster JSON Formatter & Validator Pretty-print JSON and surface syntax errors.

Developer & Webmaster Base64 Encoder / Decoder UTF-8 and emoji-safe encode/decode, Standard or URL-safe, with byte telemetry.

Developer & Webmaster HTML to Markdown Converter Convert HTML tags to Markdown.

Developer & Webmaster CSS Box-Shadow Generator Live preview and copy-ready CSS.

Developer & Webmaster CSS Gradient Generator Linear and radial gradients.

Developer & Webmaster UUID / GUID Generator Generate version-4 identifiers.

Developer & Webmaster URL Encoder / Decoder Percent-encode and decode URLs.

Developer & Webmaster Color Code Converter HEX, RGB, and HSL conversion.

Developer & Webmaster Meta Tags Generator Open Graph and Twitter Card tags.

Developer & Webmaster Robots.txt Generator Allow, disallow, and sitemap URL.

Developer & Webmaster JSON to YAML Converter Validate JSON in the browser and dump YAML with 2 or 4 space indent.

Developer & Webmaster CSS Minifier & Optimizer Strip comments, shorten hex, and see original vs minified bytes saved.

Developer & Webmaster Cron Expression Generator 5-field crontab builder, English explanation, and next 5 local run times.

Developer & Webmaster JWT Decoder Inspect header, payload, exp/nbf status, and alg none without uploading the token.

Developer & Webmaster JSON Formatter and Minifier 2-space, 4-space, tab, or compact JSON with auto-fix and line/column errors.

Developer & Webmaster Regex Tester JavaScript regex flags, match table with groups, presets, and a 20k ReDoS cap.

Daily Utilities Online Word & Character Counter Counts plus estimated reading time.

Daily Utilities Case Converter UPPERCASE, lowercase, and Title Case.

Daily Utilities Duplicate Line Remover Unique lines, original order kept.

Daily Utilities Lorem Ipsum Text Generator Words, sentences, and paragraphs.

Daily Utilities Password Generator Custom length and special symbols.

Daily Utilities QR Code Generator Static QR codes in the browser.

Daily Utilities Age Calculator Exact years, months, days, and hours.

Daily Utilities Date Difference Calculator Days between two dates.

Daily Utilities Percentage Calculator X% of Y, or percent increase/decrease.

Daily Utilities Time Zone Converter Convert times across city offsets.

Daily Utilities BMR and TDEE Calculator Mifflin-St Jeor BMR, TDEE, 20% loss and 15% surplus calorie targets.

Daily Utilities Macro Nutrient Calculator Protein, carb, and fat grams from calories, with a fat-loss protein check.

Daily Utilities Daily Water Intake Calculator Daily water from weight, exercise minutes, and climate, in oz, liters, or cups.

Image & Design SVG to PNG Converter Convert SVG to PNG in the browser.

Image & Design Image Dimension Resizer Resize width and height, then download.

Image & Design Aspect Ratio Calculator 4:3, 16:9, and 1:1 crop math.

Image & Design Color Picker from Image Sample colors from a canvas image.

Image & Design Favicon Generator Code Builder ICO/PNG snippets and sizes.

Image & Design Image Crop Ratio Calculator Target crop-box dimensions.

Image & Design PNG Compressor Browser-side canvas compression.

Image & Design PX to REM / EM Converter Convert pixels using a base font size.

Image & Design Pencil / Sketch Canvas Tool Draw in the browser and download.

Image & Design Web Safe Fonts Preview Tool Preview stacks on sample text.