EN
PT
ES
All tools, calculators, and generators
Every page on PK Systems on a single screen — no signup, free to use, runs in your browser.
204 pages — 103 tools, 78 calculators and 23 generators
Generators & hotsites
Standalone name and font generators — fancy fonts, fantasy names, satellite letters and more.
Earth Letters
Your name written by rivers, deserts, and mountains — from space.
Open tool →Awesome Font Generator
Turn plain text into 𝓯𝒶𝓃𝒸𝓎 unicode fonts — bold, script, gothic, and 60+ more styles. Copy-paste anywhere.
Open tool →Island Name Generator
Hundreds of random names — Animal Crossing, D&D campaigns, that beach rental you keep meaning to brand. Click any name to copy.
Open tool →Dark Souls Name Generator
Generate dark fantasy names inspired by the Souls series — perfect for warriors, knights, and lost wanderers.
Open tool →Helldivers Ship Name Generator
For Super Earth, for Liberty, for managed democracy.
Open tool →Stardew Valley Farm Name Generator
Cozy farm names with a built-in vibe and a favorite food.
Open tool →Wedding Hashtag Generator
Beautiful, on-trend hashtags for your big day.
Open tool →Tarnished Name Generator
Maidenless? Not for long.
Open tool →Name in Flowers
A bouquet spelled with your name
Open tool →Warrior Cat Name Generator
Five clans, one name, a path to the stars.
Open tool →D&D Character Backstory Generator
Roll a character with bones, blood and a secret.
Open tool →Tavern & Inn Generator
A sign, a stew, a barkeep and a hook.
Open tool →Couple Name Combiner
Two names, one ship name — the romantic mash-up.
Open tool →Aesthetic Name Generator
Ten aesthetics, one name picker
Open tool →Constellation Map Generator
Turn a name into a star map
Open tool →Glitch Text Generator
Cursed, zalgo, vaporwave — all at once
Open tool →Pirate Name Generator
Get your pirate name, ship, flag and last words.
Open tool →Kingdom & Realm Builder
Forge a realm worth defending — and dying for.
Open tool →WoW Race Name Generator
Forge a hero of the Horde or Alliance
Open tool →Skyrim Race Name Generator
Names from across Tamriel
Open tool →Magic School Sorting Quiz
Twenty questions. One acceptance letter.
Open tool →Space Opera Faction Names
Pick a faction. We forge a legend.
Open tool →Pokemon Nickname Generator
Punny, cute, cool — by type
Open tool →Calculators
Health, finance and everyday math calculators with instant results.
Health & fitness
BMI Calculator
Calculate your Body Mass Index and see where you fall on the WHO classification scale. No sign-up, no paywall.
Try it →Body Fat Percentage Calculator
Estimate your body fat using the U.S. Navy method or a BMI-based fallback. Free, fast, no sign-up.
Try it →Calorie Deficit Calculator
Find the daily calorie target that matches your weight loss goal, with safe-floor guardrails. Free and instant.
Try it →Daily Water Intake Calculator
Personalized hydration goal based on body weight, activity, climate, and life stage. Free, no sign-up.
Try it →1 Rep Max (1RM) Calculator
Estimate your one-rep max from a sub-max set, with a full %1RM training table. Free, no login.
Try it →Ideal Weight Calculator
Side-by-side estimates from Devine, Robinson, Miller and Hamwi formulas, plus a healthy BMI range. Free.
Try it →Heart Rate Zones Calculator
Calculate your max HR (Tanaka, classic, or Karvonen) and 5 personalized training zones in BPM. Free.
Try it →FFMI Calculator (Fat-Free Mass Index)
Estimate your lean muscle index and see where you stand on the natural-lifter scale.
Try it →Race Time Predictor (Riegel formula)
Use a recent race time to predict your 5K, 10K, half-marathon and marathon — based on the classic Riegel power law.
Try it →Protein Intake Calculator
Find your daily protein target based on goal and bodyweight, with a per-meal breakdown.
Try it →Intermittent Fasting Schedule Calculator
Pick a protocol (16:8, 18:6, OMAD…) and see exactly when to eat and when to fast based on your last meal.
Try it →Sweat Rate Calculator (Athlete Hydration)
Weigh in before and after training to measure your real fluid loss per hour and plan a hydration strategy.
Try it →Wilks, DOTS & IPF GL Calculator
Convert powerlifting totals into Wilks, DOTS and IPF GL coefficient scores so lifters of any weight can be compared.
Try it →Pregnancy Weight Gain Calculator (IOM)
Track recommended pregnancy weight gain by week, based on your pre-pregnancy BMI and the official IOM 2009 ranges.
Try it →Waist-to-Height & Waist-to-Hip Ratio Calculator
Two simple measurements that predict cardiometabolic risk better than BMI alone — get your WHtR, WHR and body shape.
Try it →Period & Ovulation Predictor
Project the next 12 cycles, see ovulation and fertile window dates, and plan ahead — math only, no account.
Try it →TDEE Calculator
Estimate your Total Daily Energy Expenditure — the calories you actually burn each day. Includes cut, maintain and bulk targets.
Try it →Macro Calculator
Split your daily calories into protein, carbs and fat — instantly. Pick your goal and get exact grams to hit each day.
Try it →Pregnancy Due Date Calculator
Find your estimated due date, current gestational age and trimester from your last menstrual period.
Try it →Ovulation Calculator
Estimate your most fertile days based on your last period and cycle length.
Try it →Sleep Cycle Calculator
Find the best time to go to bed — or to wake up — based on 90-minute sleep cycles, so you wake feeling refreshed instead of groggy.
Try it →Running Pace Calculator
Pace, time, distance, and race-time predictions — switch the mode and we'll solve for whatever's missing.
Try it →Money & finance
Loan Calculator
Estimate your monthly payment, total cost, and total interest on any fixed-rate loan.
Try it →Compound Interest Calculator
See how your money grows when interest earns interest. Add monthly contributions to project your wealth over time.
Try it →Mortgage Calculator
Estimate your monthly mortgage payment including principal, interest, taxes, insurance, and HOA. See how rate and term change the total cost of your home loan.
Try it →Tip Calculator
Work out the tip, the total bill, and what each person owes — split a check fairly in seconds.
Try it →Discount Calculator
Find the sale price, the original price, and exactly how much you save — including stacked Black Friday-style "extra X% at checkout" deals.
Try it →Hourly to Salary Calculator
Convert an hourly wage to annual salary — or the other way around — with paid-vacation, weekly, monthly, and daily breakdowns.
Try it →Auto Loan Calculator
Estimate your monthly car payment, total interest, and payoff date — including down payment, trade-in, and sales tax.
Try it →Credit Card Payoff Calculator
See how long it takes to pay off a credit card — or what monthly payment you need to be debt-free by a target date.
Try it →Net Worth Calculator
Add up your assets and liabilities to see your real net worth — privately, in your browser.
Try it →Dollar-Cost Averaging Calculator
Project the future value of regular contributions — see how a steady investing habit compounds over time.
Try it →Profit Margin Calculator
Calculate gross margin, markup, and the price you'd need to charge to hit a target margin.
Try it →Brazil CLT Net Salary Calculator (2026)
Brazil-specific tool. Compute the take-home pay for a CLT employee under the 2026 income-tax reform (full exemption up to R$5,000 gross).
Try it →Brazil CLT Severance Calculator (2026)
Brazil-specific tool. Compute exactly what's owed at the end of a CLT employment relationship.
Try it →Brazil 13th-Salary Calculator (2026)
Brazil-specific bonus. Compute the November and December installments under the 2026 IR reform.
Try it →Brazil INSS Calculator (2026)
Brazil-specific. Compute the social-security contribution for a CLT employee under the progressive 2026 bands.
Try it →Brazil Overtime Calculator (2026)
Brazil-specific. Compute 50% (weekday) and 100% (Sunday/holiday) overtime, plus night-shift bonus and DSR reflex.
Try it →Spain Net Salary Calculator (IRPF 2026)
Estimate your monthly take-home pay after Social Security and IRPF, including autonomous community adjustments.
Try it →US Paycheck Calculator 2026
Estimate your federal, FICA and state tax withholdings to see your real take-home pay per pay period.
Try it →Crypto Profit Calculator
Compute your gain or loss in seconds: buy price, sell price, quantity and exchange fees.
Try it →Mortgage Refinance Break-Even Calculator
Should you refinance? See how many months it takes for the new payment to repay the closing costs.
Try it →How Much House Can I Afford?
Get the maximum home price your income can support using the 28/36 DTI rule with property tax, insurance and HOA.
Try it →Mortgage Amortization Schedule Calculator
See every payment of your loan: principal, interest and remaining balance for all 360 months of a 30-year mortgage.
Try it →50/30/20 Budget Calculator
Split your monthly take-home into needs, wants and savings using Senator Warren’s rule. Adjust the percentages to fit your life.
Try it →Inflation Calculator (US, BR, EU)
Convert any amount of money between any two years using official CPI data — see what $100 in 1980 is worth today.
Try it →Fuel Trip Cost Calculator
Compute how much fuel a trip burns in dollars (or euros, reais), supporting MPG, km/L and L/100km.
Try it →Everyday math
Age Calculator
Calculate your exact age in years, months, and days from any birth date — plus your total months, weeks, days, hours, and minutes alive, and the days until your next birthday.
Try it →Percentage Calculator
Three percentage calculations in one tool: what is X% of Y, X is what percent of Y, and the percent change between two numbers. Instant results, no signup.
Try it →Date Difference Calculator
Find the exact span between any two dates — in years, months, days, weeks, hours, and minutes.
Try it →Rule of Three Calculator
Solve any direct or inverse proportion in seconds — fill in three values and we find the fourth.
Try it →Pet Age Calculator
How old is your dog or cat in human years? Get the modern, size-aware estimate — not the outdated 7× rule.
Try it →Cat Age Calculator
Convert your cat's age into human years using the modern feline aging curve — and see exactly which life stage they're in.
Try it →Dog Age Calculator
How old is your dog in human years? The modern, size-aware formula — small dogs and giant breeds age very differently after year two.
Try it →How Many Days Have I Been Alive?
Your life in days, hours, minutes and seconds — counting up live. Plus heartbeats, breaths, full moons seen, and the next 1,000-day milestone.
Try it →Reading Time Calculator
How long will it take to read this? Paste any text or enter a page count — we'll show minutes, hours, and word count at slow, average or fast WPM.
Try it →Coffee Brew Ratio Calculator
Pick a brew method, set your beans or water, and get the right ratio plus a grind and time guide.
Try it →Caffeine Calculator — When Can I Sleep?
Add what you drank today and see how much caffeine is still in your system — and the time it drops below the sleep-safe threshold.
Try it →Wedding Anniversary Calculator
How long you've been married, when your next anniversary lands, and the traditional gift theme for every year up to 50.
Try it →Final Grade Calculator
What score do you need on the final exam to land your target grade — or what will your course grade be if you ace (or bomb) the final?
Try it →Cups to Grams Converter
Convert cooking measurements between cups, grams, ounces and milliliters using accurate ingredient densities.
Try it →Fuel Consumption Calculator
Work out your real-world MPG, km/L or L/100km, or convert between any of those units instantly.
Try it →Time Card Calculator
Add up daily and weekly work hours, including overnight shifts and breaks. Optional pay total.
Try it →Mulch, Soil & Gravel Calculator
Work out exactly how much mulch, soil or gravel your beds need in cubic yards, cubic meters and bags.
Try it →Concrete Calculator
Estimate concrete volume and bag count for slabs, footings and columns in yards or cubic meters.
Try it →BTU Air Conditioner Sizer
Find the right AC size for your room based on area, ceiling, sun exposure and climate.
Try it →Fraction Calculator
Add, subtract, multiply or divide two fractions and get the simplified result with worked steps.
Try it →Standard Deviation Calculator
Paste numbers and instantly get mean, median, mode, range, sample SD, population SD and variance.
Try it →Days Until Calculator
A live countdown to any future date — Christmas, New Year, your wedding, a holiday, anything.
Try it →Recipe Scaler
Scale any recipe up or down in seconds. Type or paste ingredients and pick a new serving size.
Try it →Oven Temperature Converter
Switch between Fahrenheit, Celsius, fan-assisted Celsius, and British Gas Mark in one tap.
Try it →Days Sober Counter
Track your time, your milestones, and the savings — one day at a time.
Try it →Cost of Smoking Calculator
See what cigarettes cost over a lifetime — and what the same money becomes if you invest it instead.
Try it →Shoe Size Converter
Convert between US, UK, EU, Japanese, and centimetre sizes for men's and women's shoes.
Try it →Chinese Zodiac Sign Calculator
Find your animal, element, and yin/yang from your birth date — using the lunar calendar, not January 1.
Try it →Roast Cooking Time Calculator
Cooking-time and resting-time estimates for turkey, chicken, pork, brisket, ham, and prime rib.
Try it →Jet Lag Recovery Calculator
Estimate recovery days and get a 3-day light, sleep, and meal plan based on your direction of travel.
Try it →Half-Your-Age-Plus-Seven Calculator
The classic social rule for an acceptable dating age range — calculated, with a wink.
Try it →Tools
Browser-based utilities for text, code, images, color and the web.
Text tools
Transform, count, encode and clean up text instantly.
Case Converter
Did you leave the caps lock active while typing something? Don't worry, just paste the text, select the case you want and done!
Open tool →Text List Transformer
Easily convert your text to a list or join your list to a text by a separator, also reorder your list items.
Open tool →Base64 - Encoder and Decoder
Encode your text to base64 or decode a base64 string to text in a easily way.
Open tool →Word Frequency
Rapidly and easily check your words and characters frequency inside a given text.
Open tool →Lorem Ipsum Generator
Generate placeholder paragraphs for mockups, wireframes and design comps. All in your browser.
Open tool →Slug Generator
Convert any title into a clean, ASCII URL slug. Live preview, diacritic-stripping, custom separator.
Open tool →Text Diff
Compare two pieces of text and see what changed. Line or word granularity, live preview, runs entirely in your browser.
Open tool →Find and Replace
Search and replace across any block of text, with live preview, regex, whole-word and case-sensitive options.
Open tool →HTML Stripper
Paste any HTML and get clean, readable plain text — tags removed, entities decoded, whitespace tidied.
Open tool →String Escape & Unescape
Escape and unescape strings for JavaScript, JSON, SQL, HTML, URLs and regular expressions — pick a context and go.
Open tool →Text Extractor
Pull every email, URL, phone number, hashtag, mention, date and IPv4 address out of a block of messy text — instantly.
Open tool →ROT13, ROT5, ROT47 & Caesar Cipher
Apply the classic letter-shift ciphers — ROT13, ROT5 for digits, ROT18, ROT47, or any custom Caesar shift — instantly.
Open tool →Encoders & decoders
URL, Base64, JWT, hash — encode and decode common formats in your browser.
URL Encoder / Decoder
Percent-encode and decode URLs and query parameters. Component or full-URL scope, runs entirely in your browser.
Open tool →JWT Decoder
Inspect a JSON Web Token's header and payload. Verification is intentionally not performed — this is for debugging only.
Open tool →Hash Generator
Compute MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes from text or files. Runs entirely in your browser.
Open tool →Base64 Image Encoder & Decoder
Convert images to base64 data URLs and back. Drop a file or paste a data URL — never leaves your browser.
Open tool →JWT Signer & Verifier
Sign and verify JSON Web Tokens client-side with HS256/HS384/HS512, RS256 and ES256. Generate RSA & ECDSA keys in-browser.
Open tool →bcrypt Hash Generator & Verifier
Hash passwords with the industry-standard bcrypt and verify a plain password against any bcrypt hash. Adjustable cost.
Open tool →Generators
Generate strong passwords, UUIDs, QR codes and more.
Password Generator
Generate strong, random passwords in your browser. Cryptographically secure, never sent anywhere.
Open tool →UUID Generator
Generate UUID v4 (random) or v7 (timestamp-ordered) identifiers in your browser.
Open tool →QR Code Generator
Make a QR code for a URL, text, vCard or Wi-Fi credential. Live preview, SVG-quality, downloads as PNG.
Open tool →Yes / No Wheel — Spin to Decide
Can't make up your mind? Spin the wheel for a Yes, No, or Maybe — or shake the Magic 8-Ball for a vintage answer.
Open tool →Truth or Dare Generator
Hundreds of truth questions and dares across four modes — clean, spicy (PG-13), couples, and group party.
Open tool →Aesthetic Username Generator
Pick an aesthetic — cottagecore, dark academia, y2k, fairycore, kawaii, grunge, vaporwave, celestial, soft girl, cyberpunk — and get six on-vibe usernames at a time.
Open tool →Mock Data Generator
Build a custom schema and download fake JSON, CSV or SQL — names, emails, UUIDs, dates and more.
Open tool →WiFi QR Code
Generate a scannable QR code that joins any phone to your WiFi network — no typing the password.
Open tool →Would You Rather Generator
Two impossible choices, infinite arguments — perfect for road trips, parties and awkward silences.
Open tool →Never Have I Ever Generator
Pull confession-style prompts for parties, road trips and group chats — four tones, never repeats inside a deck.
Open tool →Decision Wheel Spinner
Type your options, hit spin, let the wheel decide. Save and share with a copyable link.
Open tool →Coin Flip and Dice Roller
Heads or tails, D6, D20, 2D6 or any custom die — animated, fair, with a roll history.
Open tool →Random Number Generator
Pick numbers in any range — with or without duplicates, sorted or shuffled, copy-paste ready.
Open tool →Pickup Line Generator
Cute, cheesy, nerdy, dad-joke or brutally honest — pick a vibe, pull a line, deny it later.
Open tool →Compliment Generator
Fresh, sincere compliments — motivational, appreciation, professional, love or playful — for cards, chats and check-ins.
Open tool →Developer tools
JSON, regex, Markdown — utilities for working with code and structured data.
JSON Formatter
Beautify, minify, and validate JSON in your browser. Live updates, copy with one click — nothing leaves your device.
Open tool →Regex Tester
Build, test and debug JavaScript regular expressions with live highlighting, replace mode and ready-to-use presets.
Open tool →Markdown Preview
Write Markdown on the left, see the rendered HTML on the right. Live preview, GFM support, copy as HTML.
Open tool →SQL Formatter
Beautify SQL queries with dialect-aware rules. Standard SQL, PostgreSQL, MySQL, BigQuery, T-SQL and SQLite — all in your browser.
Open tool →JSON ↔ CSV Converter
Turn a JSON array into clean CSV (or vice-versa). Pick a delimiter, flatten nested objects with dot-notation, toggle the header row.
Open tool →JSON ↔ YAML Converter
Round-trip between JSON and YAML in your browser — perfect for Kubernetes, GitHub Actions, Helm and CI configs.
Open tool →Markdown Table Generator
Edit a spreadsheet-style grid and get clean Markdown, HTML or AsciiDoc tables. Paste straight from Excel — we'll detect the cells.
Open tool →Gitignore Generator
Pick your stack, OS, and editor and get a clean, deduplicated .gitignore in a click.
Open tool →Cron Expression Generator & Explainer
Build cron expressions visually field-by-field, or paste an existing one to get a plain-English explanation and the next five run times.
Open tool →JSON to TypeScript / Go / Rust
Paste any JSON sample. Get clean TypeScript interfaces, Go structs, or Rust types with serde tags — fast, lightweight, and ready to paste into your code.
Open tool →JSON to JSON Schema Generator
Paste a JSON sample, get a JSON Schema (Draft 2020-12 or Draft 7) with auto-detected formats and a required field list.
Open tool →Color tools
Convert color formats and build CSS gradients with a live preview.
Color Converter
Convert between HEX, RGB, HSL, HSV and CMYK in real time. Pick a color or paste any value — every format updates as you type.
Open tool →CSS Gradient Generator
Build linear and radial gradients visually. Tweak stops and angle, copy ready-to-paste CSS.
Open tool →CSS Box Shadow Generator
Stack multiple shadow layers, tune offset, blur, spread, and alpha, copy the CSS or Tailwind class.
Open tool →CSS Clamp Generator (Fluid Typography)
Type-scale that grows with the viewport. Pick min and max font sizes, pick min and max screen widths — get a copy-paste clamp() rule with a live preview slider.
Open tool →CSS Easing & Cubic-Bezier Visualizer
Drag the SVG handles, type values, or pick from 30+ named curves. Live animation preview and copy-ready output for vanilla CSS, GSAP, and Framer Motion.
Open tool →Contrast Checker
Check WCAG contrast ratios between any two colors. See pass/fail badges for AA and AAA at normal and large text sizes, with a live preview.
Open tool →Color Blindness Simulator
Preview any color through eight color-vision deficiencies. See exactly what users with protanopia, deuteranopia, tritanopia, achromatopsia and their milder forms will perceive.
Open tool →Tint, Tone & Shade Generator
Generate ten lighter tints, ten darker shades, and ten gray-blended tones from any base color. Click a swatch to copy its hex.
Open tool →Color Harmony Generator
Generate complementary, analogous, triadic, tetradic, square, split-complementary, and monochromatic palettes from any base color, with copyable CSS variables.
Open tool →CSS Named Colors
Searchable reference for all 147 CSS named colors. Click any swatch to copy its name; sort by name, hue, or lightness.
Open tool →Color Mixer
Blend two colors at any ratio with linear-light interpolation. Optionally show 11 evenly spaced gradient stops between them.
Open tool →Color Palette Generator
Generate beautiful 5-color palettes that actually look good — curated seeds, smart harmony rules, lock and re-roll.
Open tool →Date & time
Convert timestamps and work with dates across time zones.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and back. Seconds or milliseconds, ISO 8601, UTC, local — all in one place.
Open tool →Time Zone Converter
Convert any wall-clock time across the world's major time zones at a glance, with live UTC offsets and DST handled automatically.
Open tool →Workdays Counter
Count business days between two dates, skipping the weekend pattern of your choice and any custom holidays.
Open tool →Date Format Converter
Paste a date in any common format and get ISO 8601, RFC 2822, Unix, US, EU, SQL and more — instantly.
Open tool →Countdown Timer
Count down to any moment — a launch, a deadline, a holiday, the next weekend — with a live, second-by-second display.
Open tool →Stopwatch
A precise online stopwatch with millisecond resolution, lap times and keyboard shortcuts.
Open tool →Pomodoro Timer
Run the classic Pomodoro work-and-break cycle right in your browser, with custom durations and an audible alert.
Open tool →Duration Calculator
Add and subtract durations, or sum daily timecards (in/out times with breaks) to a running total.
Open tool →World Clock
See the current time in cities around the world side by side. Drag to reorder, switch between 12 and 24-hour format, and your list is remembered.
Open tool →Sunrise & Sunset Calculator
Compute sunrise, sunset, solar noon and the three twilight phases for any latitude, longitude and date. Everything runs in your browser.
Open tool →Moon Phase
Get the moon phase, illumination percentage and lunar age for any date, with an accurate moon disc rendered live.
Open tool →Web & marketing
Meta tags, WhatsApp links and helpers for shipping content online.
Meta Tag Generator
Generate SEO, Open Graph and Twitter Card meta tags for your page in one go. Live preview, ready to paste into your <head>.
Open tool →WhatsApp Link Generator
Build a wa.me click-to-chat link with a pre-filled message and a scannable QR code. No app, no signup.
Open tool →User-Agent String Parser
Decode any User-Agent string into browser, OS, device, engine and CPU. Includes ready-made strings for desktops, phones and crawlers.
Open tool →HTTP Status Code Reference
Search and learn the meaning, typical cause and use case of every common HTTP status code, with cURL/Python/JS/PHP snippets.
Open tool →UTM Link Builder
Build, preview, and shorten campaign-tracked URLs with proper UTM parameters. Saves presets in your browser, never on a server.
Open tool →URL Parser
Decompose any URL into protocol, host, port, path, query and fragment — with IDN punycode decoding and query-pair extraction. Runs entirely in your browser.
Open tool →Open Graph Preview
See how a link will look when shared on Facebook, LinkedIn, X/Twitter, WhatsApp and Slack — and copy a clean meta-tag snippet for your own pages.
Open tool →Mailto Link Builder
Generate <code>mailto:</code> links with To, Cc, Bcc, subject and body — properly URL-encoded so line breaks, accents and emoji survive every email client.
Open tool →HTML Entity Encoder & Decoder
Convert characters to and from HTML entities — named, decimal or hex, all special chars or only the unsafe five. Round-trip safe.
Open tool →JSON-LD Schema Builder
Build valid <code>application/ld+json</code> blocks for Article, Product, FAQPage, Recipe, Event, Organization and LocalBusiness — copy and paste into your <code><head></code>.
Open tool →Image Tools
Convert, compress, and inspect images entirely in your browser. Every transformation runs locally — your files never reach a server.
WebP ↔ PNG Converter
Convert PNG to WebP or WebP back to PNG. Batch-friendly, runs in your browser, no upload.
Open tool →SVG to PNG / JPG Converter
Rasterize SVG files at any resolution. Pick a scale, set a background, download a PNG or JPG.
Open tool →Image to PDF Converter
Combine multiple images into a single PDF. Drag to reorder, pick page size, and download — all in your browser.
Open tool →Color Palette Extractor
Drop an image and pull out its dominant colors with HEX, RGB, and HSL values, ready to copy.
Open tool →SVG Optimizer
Shrink SVG files in your browser. Strip metadata, collapse groups, round numeric precision, and optionally remove width/height for responsive scaling.
Open tool →HEIC to JPG Converter
Drop iPhone HEIC photos and get JPGs back — converted in your browser, never uploaded.
Open tool →EXIF Viewer & Metadata Cleaner
See every camera, lens, GPS and software field hidden inside a photo — and strip them in one click.
Open tool →Image Compressor
Squash JPG, PNG and WebP files smaller — visually identical, no upload.
Open tool →Favicon Generator
Drop a logo, get a complete favicon package — ICO, PNGs, Apple touch, PWA and an OG image, ready to ship.
Open tool →PDF Merge
Drop several PDFs, drag to reorder, hit Merge — one file out, no upload.
Open tool →PDF Split
Pull specific pages out of a PDF or split it into one file per page.
Open tool →Instagram Grid Splitter
Slice a wide banner into perfect Instagram tiles — numbered in posting order so the feed reads correctly.
Open tool →Image Resize
Custom dimensions or one-tap social presets. Output as PNG, JPG, or WebP — no upload.
Open tool →Video to GIF Converter
Trim a clip, pick FPS and width, and turn it into a smooth GIF — all in your browser.
Open tool →Video to MP3 / WAV / OGG Extractor
Pull the audio out of any video file — pick MP3, WAV, or OGG, set bitrate, optionally trim, and download.
Open tool →OCR — Image to Text Extractor
Drop an image and pull the text out of it — English, Portuguese, or Spanish — without uploading anywhere.
Open tool →Marketing
Free marketing utilities — UTM builders, CPM/CPC/ROAS calculators, headline scoring, SERP and Open Graph previews, A/B test significance.
CTR Calculator
Click-through rate from clicks and impressions, plus implied click cost.
Open tool →CPM, CPC and CPA Calculator
Convert between cost per thousand impressions, cost per click and cost per acquisition.
Open tool →ROAS Calculator
Return on ad spend, ROI, and reverse target spend.
Open tool →Conversion Rate Calculator
Single-step rate or full funnel breakdown across up to five stages.
Open tool →A/B Test Significance Calculator
Two-proportion z-test for split tests, with p-value, lift and confidence verdict.
Open tool →Headline Analyzer
Score a headline 0–100 on length, balance, power words and emotional pull.
Open tool →Google SERP Preview
See how your title, URL and meta description will look in Google search — desktop and mobile.
Open tool →Hashtag Counter
Count hashtags and check platform limits in one go.
Open tool →Engagement Rate Calculator
Engagement rate by followers, reach or impressions — with platform benchmarks.
Open tool →CAC vs LTV Calculator
Customer acquisition cost, lifetime value, the ratio between them, and payback period.
Open tool →