Categories

Estimate break-even point from fixed costs, variable costs, and selling price per unit.

Create clean invoices with line items, totals, and printable or downloadable output.

Calculate selling price, markup, and margin from cost and target pricing values.

Generate purchase orders with supplier details, line items, and total summaries.

Calculate exact age from birth date to today or any target date.

Generate detailed amortization schedules for loans with payment and balance breakdowns.

Calculate image, video, and screen aspect ratios from width and height values.

Calculate averages from number lists including sum, count, and mean instantly.

Check color contrast ratios for accessibility and readability against WCAG guidance.

Generate matching color palettes for UI, branding, and design exploration.

Pick and preview colors with HEX, RGB, and HSL values in one simple interface.

Generate border-radius CSS for uniform or custom corner rounding with live preview.

Convert area values between square meters, square feet, acres, hectares, and more.

Convert file sizes between bytes, KB, MB, GB, and larger units accurately.

Convert structured JSON into XML for integrations, feeds, and legacy systems.

Convert JSON into YAML for configuration files, DevOps use, and readability.

Clean CSV files by removing duplicate rows, empty rows, and messy spacing issues.

Extract selected CSV columns quickly for reporting, cleanup, and spreadsheet workflows.

Merge multiple CSV datasets with matching columns into one downloadable combined file.

Split large CSV data into smaller chunks by row count for easier export and sharing.

Count working days between dates while excluding weekends and optional holidays.

Add or subtract days, weeks, months, or years from any date instantly.

Calculate the exact difference between two dates in days, months, and years.

Convert dates between common display formats for spreadsheets, APIs, and forms.

Encode plain text to Base64 or decode Base64 back to readable text.

Decode Base64 content and inspect it as JSON when the payload contains structured data.

Generate cron expressions visually and preview the resulting schedule patterns.

Format messy CSS or minify stylesheets for deployment and debugging.

Generate APA citations from book, article, or website details in a guided form.

Calculate attendance percentages and how many classes you can miss or must attend.

Convert CGPA values into percentage estimates using configurable formulas.

Create Chicago-style citations from books, articles, and websites with guided input fields.

Rename many files with prefixes, suffixes, find-replace, or numbering patterns locally.

Generate a list of selected local file names, sizes, and basic metadata in the browser.

Merge multiple text-based files into one combined output directly in the browser.

Split text-based files into smaller parts by size, line count, or chunk count.

Calculate compound annual growth rate from beginning and ending values over time.

Calculate GST-inclusive or GST-exclusive prices with configurable tax percentages.

Estimate value changes over time using inflation rates for simple purchasing power comparisons.

Calculate profit margin from cost and selling price for simple finance and commerce analysis.

Convert AVIF images into JPG format for broader device and app compatibility.

Convert AVIF images into PNG format for editing and transparency-safe workflows.

Remove image backgrounds and export cleaner cutout results directly in the browser.

Decode Base64 image strings and preview or download the resulting image file.

Convert decimal values into simplified fractions with mixed-number support when useful.

Convert fractions and mixed numbers into decimal form with configurable precision.

Calculate least common multiple and greatest common factor for multiple integers.

Calculate logarithms with custom bases for math, science, and engineering problems.

Convert audio files between common formats for compatibility and simpler sharing.

Trim audio clips by start and end time for ringtones, snippets, and quick edits.

Reduce GIF file size by lowering dimensions, colors, or frame settings.

Convert animated GIFs into MP4 video for smaller size and wider platform support.

Combine multiple PDF files into a single document.

Reduce PDF file size for email, upload, and faster sharing workflows.

Remove selected pages from a PDF and export the remaining document cleanly.

Convert EPUB ebooks into PDF format with a browser-first workflow.

Flip a virtual coin for quick choices and random yes-or-no decisions.

Run a countdown timer for study, tasks, workouts, or quick reminders in the browser.

Spin a decision wheel from custom options to make random selections visually.

Roll one or more virtual dice with standard game formats and readable results.

Create valid FAQ schema markup from question and answer pairs for rich results.

Generate core HTML meta tags for titles, descriptions, robots, and viewport settings.

Create a clean robots.txt file with common crawl directives and sitemap entries.

Generate XML sitemaps from pasted URL lists with optional metadata fields.

Encrypt or decrypt text locally using AES for simple browser-side workflows.

Calculate checksums for text or local files to verify integrity quickly in the browser.

Hash local files in the browser to verify integrity without uploading them anywhere.

Generate common hashes such as MD5, SHA-1, and SHA-256 from plain text input.

Generate common barcode types for inventory, labels, and product references.

Read barcode values from uploaded images for quick product or inventory lookup workflows.

Create mailto links with recipients, subject, body, and CC or BCC parameters safely.

Create contact QR codes from name, phone, email, and address fields instantly.

Remove repeated lines from pasted text while preserving clean readable output.

Create brat-style text visuals with a simple browser-based generator.

Convert text between upper, lower, title, sentence, camel, snake, and kebab case.

Count characters with and without spaces from pasted or typed text instantly.

Generate .htaccess redirect rules for domain, page, or HTTPS redirect scenarios.

Generate starter Content Security Policy rules from common site requirements.

Generate generic HTML embed snippets for URLs, videos, maps, and custom sources.

Generate HTML anchor tags with rel, target, and title attributes from plain inputs.