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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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

Convert spreadsheet-style data into clean printable PDF output directly in the browser.

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.

Generate breadcrumb schema markup from page hierarchy for cleaner search presentation.

Generate canonical link tags for preferred URLs and duplicate-content handling.

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

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 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.

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

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 starter Content Security Policy rules from common site requirements.

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

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