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Free Online Tools – Converters & Calculators & more

Explore our curated suite of precision instruments designed to streamline your
modern development and marketing workflows.

Illustration of a character counter and word counter showing real-time text analysis for writers - word counter & character counter

Word Counter & Character Counter

Instantly count words, characters (with and without spaces), sentences, and paragraphs — free, real-time, no signup required.
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Illustration of a text to Morse code converter showing dots and dashes signal translation

Text to Morse Code Converter

Instantly convert text to Morse code (and back), with audio playback — free, accurate, no signup required.
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Illustration of a case converter showing text transformation between uppercase, lowercase, and title case

Case Converter

Instantly convert text between UPPERCASE, lowercase, Title Case, Sentence case, and more — free, no signup required.
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Illustration of an aspect ratio calculator showing image and video dimension proportions

Aspect Ratio Calculator

Instantly calculate aspect ratios and resize dimensions for images and video — free, accurate, no signup required.
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Illustration of a markdown to HTML converter showing document markup transformation for web publishing

Markdown to HTML Converter

Instantly convert Markdown to clean HTML with a live preview — free, no signup, works entirely in your browser.
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Illustration of a timestamp converter showing Unix epoch time conversion to readable date and UTC format

Timestamp Converter

Instantly convert Unix timestamps to human-readable dates (UTC or local time), and dates back to timestamps — free, accurate, no signup required.
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Illustration of a RGB to hex and hex to RGB color converter showing bidirectional color code conversion for web design - Hex to RGB Converter

RGB to Hex & Hex to RGB Color Converter

Instantly convert colors between Hex and RGB in either direction — free, accurate, live color preview, no signup required.
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Illustration of an ad ROI calculator showing advertising return on investment analysis

Ad ROI Calculator

Instantly calculate your advertising ROI from ad spend and revenue — free, accurate, no signup required.
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Illustration of a lead value calculator showing average revenue worth per marketing lead

Lead Value Calculator

Instantly calculate the average value of each lead from your revenue and conversion data — free, accurate, no signup required.
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Illustration of a CPC calculator showing cost per click analysis for pay-per-click advertising

CPC Calculator

Instantly calculate your cost per click (CPC) from ad spend and clicks — free, accurate, no signup required.
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Illustration of a CPM calculator showing cost per 1,000 impressions for advertising campaigns

CPM Calculator

Instantly calculate your cost per mille (CPM) from ad spend and impressions — free, accurate, no signup required.
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Illustration of a ROAS calculator showing return on ad spend analysis for advertising campaigns

Free ROAS Calculator & Break-Even ROAS Calculator

Instantly calculate your return on ad spend (ROAS) from revenue and ad spend — free, accurate, no signup required.
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vexlix-cpa-calculator-cost-per-acquisition

CPA Calculator

Instantly calculate your cost per acquisition (CPA) from ad spend and conversions — free, accurate, no signup required.
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clean, modern flat-design illustration representing click-through rate analytics. It features an abstract white cursor clicking on a rising blue bar chart next to a percentage gauge. The background has a soft blue-to-teal gradient with a light grid pattern, minimal geometric shapes, and the text "CTR" written boldly above the chart. - CTR Calculator

CTR Calculator

Instantly calculate your click-through rate (CTR) from clicks and impressions — free, accurate, and no signup required.
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