Free tools

Find X% of a number, or what percent one number is of another.

Work out percentage change, apply an increase or decrease, or reverse one to find the original value.

Calculate gross and net profit from price, unit cost, units sold and fixed costs.

Find the selling price from cost and markup, or the markup from cost and price.

Calculate gross margin, the price needed for a target margin, or the maximum cost you can afford.

Add or remove VAT, or work back from a VAT amount. Shows net, VAT and total, with South Africa’s 15% as the default rate.

Sale price and savings from a discount, stacked discounts, or the discount % between two prices.

Monthly repayment, total interest and a full schedule for a fixed-rate loan — including extra payments.

Convert pay between hourly, monthly and annual, and estimate South African PAYE and UIF.

Exact age in years, months and days, plus total days lived and the next birthday.

Days, weeks and months between two dates, with working days that exclude South African public holidays.

Grow a lump sum and monthly contributions over time, with a year-by-year breakdown.

Create a professional invoice or tax invoice with VAT, then download it as a PDF or print it.

Total an invoice with quantities, line and invoice discounts, VAT-inclusive or exclusive prices, and deposits.

Create a quotation with line items, VAT and validity date, and download it as a PDF.

Generate brandable business name ideas from your keywords, using common naming patterns.

Build a simple profit and loss statement: gross profit, operating profit, net profit and margins.

How many units you must sell to cover fixed costs — and to hit a profit target.

Turn your income goal, costs, time off and billable hours into an hourly and day rate.

Price a product from materials, labour, overheads and sales fees to hit a target margin, with or without VAT.

Add up start-up and running costs to see monthly spend, first-year cost and cash runway.

Create a wa.me click-to-chat link with a pre-filled message for your website or social bio.

Title ideas from your topic, keyword, audience, tone and location — editable, with a quality check on every title.

Assemble a structured video description with summary, chapters, links and hashtags.

Create clean, relevant hashtags from your keywords and format them for YouTube.

Draft captions for your goal and tone, with a call to action and hashtags, checked against Instagram’s limits.

Write bios for Instagram, TikTok, X, LinkedIn and YouTube, each checked against the platform’s character limit.

Plan a video with a timed outline: hook, intro, sections and call to action.

Ideas for your niche, platform and goal, each with a suggested title, angle, hook and call to action.

Short, punchy thumbnail text options with a live 1280×720 preview you can download.

Expand a topic into searchable phrases grouped by intent, with one-click checks on YouTube search and Google Trends.

Plan up to 92 days of posts with a balanced mix of content pillars, then export to CSV or your calendar app.

Build campaign-tracking URLs with UTM parameters so you can see which links bring visitors.

Write page titles and meta descriptions and preview roughly how they may look in search results.

Generate random v4 or time-ordered v7 UUIDs in bulk, in the format you need.

Pretty-print or minify JSON with your choice of indentation and optional key sorting.

Validate JSON and pinpoint errors by line and column — including duplicate keys that most parsers ignore.

Minify JSON without changing numbers or strings, strip comments and trailing commas, and see the bytes saved.

Encode text (UTF-8) or any file to Base64, URL-safe Base64 or a data URI, with optional MIME wrapping.

Decode Base64 to text, preview images, detect file types and download the original file — with precise errors.

Percent-encode a query value, a whole URL or form data, line by line if you like, with double-encoding warnings.

Decode percent-encoded text, unwrap double encoding and see every query parameter of a URL in a table.

Escape & < > and quotes for HTML, and optionally write non-ASCII characters as named or numeric entities.

Decode every named and numeric HTML entity, list what was found, and fix double-escaped text.

Decode a JSON Web Token, check its claims and expiry, flag risks, and verify HS, RS, PS, ES or EdDSA signatures.

Convert any CSS colour between HEX, RGB, HSL, HWB, OKLab and OKLCH, and check WCAG contrast.

Convert Unix timestamps to dates and back, in UTC, South African time or your local time zone.

Test JavaScript regular expressions with live highlighting, capture groups and replace.

Generate placeholder paragraphs, sentences or words, as plain text or HTML.

Create strong random passwords or passphrases using your browser’s secure random generator.

Turn titles into clean, lowercase, hyphenated URL slugs — accents and symbols handled.

Make QR codes for links, text, Wi-Fi, email, phone and WhatsApp. Download PNG or SVG.

Shrink JPG, PNG and WebP files by quality or to a target file size. Nothing is uploaded.

Resize images to exact pixels, a percentage, or social-media presets — with fit or crop.

Convert images between PNG, JPEG and WebP in bulk, with control over transparency.

Find an image’s exact width, height, aspect ratio, DPI and format, and which social media sizes it fits.

Turn a logo into favicon.ico, PNG favicons, Apple and Android icons, a web manifest and the HTML tags.

Sizes and safe areas for every major platform. Check your image, then crop it to the exact size around your subject.

See how link previews crop your og:image on Facebook, LinkedIn, WhatsApp and X, make a 1200×630 version and copy the tags.

Count words, sentences and paragraphs, estimate reading and speaking time, and spot overused words.

Count characters, bytes and SMS segments, and check text against common platform limits.

Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and more.

Combine several PDF files into one, in the order you choose. Files never leave your device.

Extract page ranges or split every page into its own PDF, downloaded individually or as a ZIP.