47 tools I built for my own work, free for yours.

Upload one image and generate the favicon and app icon sizes a website needs, ready to download.

Convert PNG and JPEG images to WebP for smaller files and faster-loading pages.

Turn a sequence of images into an animated GIF with the frame order and timing you choose. Nothing is uploaded.

Find an image's aspect ratio in its simplest form, such as 16:9 or 4:5, from its width and height.

Remove the background from a photo automatically, in your browser, and download the cut-out.

Batch convert, resize and compress images to WebP, AVIF, JPEG or PNG without uploading anything.

Create a QR code for a link, Wi-Fi network, contact card, email or SMS, with custom dots, corners, colours and a centre logo. Export as SVG or PNG.

Pull individual pages out of a PDF and download them, processed in your browser without uploading the file.

Pull every embedded image out of a PDF and download them, processed in your browser without uploading the file.

Compress PDF files to reduce their size without losing quality

Convert CSV spreadsheets to JSON and JSON back to CSV, for moving data between apps, APIs and spreadsheets.

Generate unique UUIDs for database records, session tokens, and more.

Validate JSON, format it for reading or minify it for production, instantly in your browser.

Validate CSS, format it for readability, or minify it to shrink stylesheets for production.

Encode text or files to Base64 and decode Base64 back again, for data URIs, API payloads and config values.

Percent-encode text for safe use in URLs and query strings, or decode an encoded URL back to readable text.

Generate lorem ipsum placeholder text to fill mockups, wireframes and page layouts.

Check the contrast ratio between text and background colours against WCAG AA and AAA for normal and large text.

Generate strong passwords and check an existing one's strength, including whether it has appeared in a known breach via Have I Been Pwned.

Encrypt and decrypt data using AES, RSA, etc.

Convert between metric and imperial units across everyday measurements such as length, weight and temperature.

Decode a JSON Web Token, read its claims in plain English, and check an HMAC signature.

Test a regular expression against sample text, see every match, and read the pattern explained token by token.

Compare two versions of text or JSON side by side, with word-level highlighting and a copyable patch.

MD5, SHA-1, SHA-256, SHA-384, SHA-512 and HMAC over text or a file, with a checksum comparison.

Turn a JSON sample into TypeScript interfaces and a matching Zod schema.

Convert between camel, Pascal, snake, kebab and title case, and generate URL-safe slugs.

Compare times across places, plan a meeting everyone can attend, and convert epoch timestamps.

Build an invoice or quote with line items and totals, preview it, and download it as a PDF.

Work out the hourly or daily rate you need to charge as a contractor once expenses and tax are accounted for.

Estimate an Australian tax refund from your gross income, tax already withheld and deductions.

Search the Australian Business Register by ABN or business name and see who a business is registered to.

Calculate total interest and savings with extra payments and lump sums

Estimate your retirement super balance (nominal & today’s dollars) and future salary

See exactly how much tax you pay in each Australian tax bracket.

One scan, a hundred-odd checks: what Google sees, what AI assistants see, speed, security, brand, and a map of how every page links together, scored, sourced and exportable.

Preview how your website will look in search engines and social media

Crawl your site for broken links and report them

Check your site for WCAG compliance issues

Fetch DNS records, IPs, and hosting provider for a given domain

See your public IP address and its approximate location and network provider.

Query a record across six public resolvers at once to see whether a DNS change has landed everywhere.

Fetch robots.txt, llms.txt, sitemaps, feeds and page metadata, and see which AI crawlers are blocked.

Crawl a whole site and report its brand, palette, logos, files, contacts and technology using AI.

Upload images, categorise and summarise them with AI.

AI assistant for construction documents, plans, and compliance. Chat with your files and get instant answers.

Read invoices, quotes, dockets and statements of almost any file type and return their line items as clean JSON.