What ZillaKit is
ZillaKit is a free collection of more than 140 small online tools for the jobs that come up while you are working with files, pictures, numbers or text. Convert a HEIC photo off a phone into a JPG that will actually open. Merge four PDFs into one and sign the result. Make a QR code for the guest WiFi. Build a printable word search for Monday's class. Work out a loan repayment, tidy up a block of JSON, or count the words in an essay. Nothing here needs an account, and none of it is a trial that expires.
The work happens in your browser
Most tool sites work by uploading your file to a server, doing the job there and sending back a download. ZillaKit does the job inside the page instead, using the same browser machinery that lets a website show a photo or play a video. In practice that covers nearly everything here: image conversion and compression, cropping and background removal, PDF merging, splitting, signing and watermarking, calculators, puzzle and worksheet makers, QR codes, name generators, text and developer utilities. Your file is read from your device, processed in memory and handed back. It is never sent to us, so there is nothing on our side to store, leak or look at.
A handful of tools genuinely cannot work that way, and they are worth naming plainly. Speech to text sends your audio to our server, because speech models are far too large to run on a phone; those jobs are deleted automatically within a day. The Office document converters (Word, Excel and PowerPoint to and from PDF) send the document, because that conversion needs a real office engine, and those files are deleted within the hour. The YouTube transcript tool sends only the public video ID you paste, never a file of yours. PC Builder asks our server for part prices by part name. The AI writing features send the text you type to an external AI provider. Each of those tools says so on its own page, before you use it.
Who it is for
Teachers and tutors, who need a word search, a set of flashcards or a handwriting sheet printed before first period. Small publishers and sellers, who build puzzle books and worksheet packs and need clean, watermark-free pages they are licensed to sell. PC builders, who want a parts list that is actually compatible and priced against what the parts are really fetching rather than a stale guide figure. Tradespeople quoting a job off a map. Developers with a token they would rather not paste into a stranger's server. And everyone else with a photo in the wrong format or a PDF that is the wrong size.
What is free, and what a subscription changes
Every tool on the site is free to use and stays free. Free use is supported by advertising, comes with a daily allowance of runs on the heavier tools, and puts a watermark on some generated output. ZillaKit Basic at A$4.99 a month removes the ads and the daily limit, removes the watermarks, adds a commercial licence for what you generate, and allows longer transcriptions. ZillaKit Pro at A$9.99 a month adds the AI features as they roll out. Paying does not reveal a hidden set of better tools; it lifts the limits on the ones already there. Plans are billed through our payment provider and can be changed or cancelled at any time from the billing portal linked on your account page. Full details are on the Premium page.
All tools
๐ผ๏ธ Image Tools 22 tools
Image tools cover the jobs that normally mean installing software: converting between PNG, JPG, WebP and HEIC, shrinking a photo so it fits an upload limit, cropping, resizing, adding text, removing a background or building a favicon pack. The work happens on the picture already open on your device, so a family photo or an unreleased product shot never leaves your machine. Anyone who posts, prints or emails pictures ends up needing one of these.
๐ PDF & Files 20 tools
PDF and file tools handle the paperwork side of owning a computer: merging several documents into one, splitting a long scan, rotating or deleting pages, adding a signature, stamping a watermark, compressing a file until it fits an email, and converting between PDF and common office formats. Most of it runs in the page itself. Small businesses, students, landlords and anyone dealing with forms use these more than any other group.
๐งฎ Calculators 9 tools
Calculators answer the questions people usually reach for a phone to work out: what percentage one number is of another, what a loan repayment comes to over its term, how many days sit between two dates, what a measurement is in other units, what a tip or a discount leaves you with. Each one shows the numbers it used rather than only the answer, so you can check the working before you rely on it.
๐ฌ Audio & Video 13 tools
Audio and video tools trim clips, convert between formats, compress a file that is too large to send, and pull the sound out of a video. Short edits run in your browser using the same media engine that plays video. Speech to text is the exception: that audio is processed on our server because recognition models are too heavy for a phone. Podcasters, students and anyone captioning a clip use these.
๐งฉ Puzzles 5 tools
Puzzle makers build printable word searches, crosswords, sudoku grids, cryptograms and mazes from your own word list. You choose grid size, difficulty and layout, then print the page or save a PDF with a separate answer key. Teachers, parents, activity coordinators in aged care, and people assembling puzzle books to sell are the regular users. Whatever you generate is yours to keep and use.
๐ Teacher 12 tools
Teacher tools produce classroom material you can print the same morning: flashcards, bingo cards, handwriting practice sheets, name pickers, worksheet headers and award certificates. They are deliberately plain so they photocopy well, they need no login, and the words you type are not stored anywhere. Relief teachers, tutors, Sunday school volunteers and home educators tend to get the most out of them.
๐ Business 12 tools
Business tools are aimed at one-person operations rather than corporations: measuring a block on a satellite map and pricing the job, working out material quantities, turning a spoken site note into a written quote, generating an invoice. They follow how a small trade or service business actually works, and they produce something you can print, email or hand straight to a customer.
๐ณ QR Codes 3 tools
QR code tools create codes for a web address, a WiFi network or a contact card, with control over size, colour and error correction, and download them as PNG or SVG at print resolution. The code is drawn in your browser, so the address or the WiFi password you encode is never sent to us. Handy for cafe menus, signage, event tickets and business cards.
โจ Name Generators 4 tools
Name generators are for when you are stuck: business and brand names, band names, gamertags, stream handles, character names and usernames. They combine word lists and naming patterns rather than doing anything clever, which is exactly what makes them useful for brainstorming. Nothing is registered or reserved, so check the domain, the handle and the trademark register yourself before you commit.
๐ป Developer 11 tools
Developer tools are the small utilities you otherwise keep a scratch tab open for: formatting and validating JSON, encoding and decoding Base64 and URLs, hashing text, generating UUIDs, comparing two blocks of text, testing regular expressions and converting between data formats. All of it is processed locally, which matters a great deal when the thing you just pasted is an API token or a customer record.
๐งฐ Everyday 15 tools
Everyday tools are general purpose helpers: strong password generation, word and character counts, random pickers and dice, stopwatches and timers, case conversion, and quick text cleanup. None of them need an account and most finish in one click. They are here because these are the jobs people look up dozens of times a week and should not have to install anything to do.
๐ Copy & Paste 7 tools
Copy and paste tools give you text that keeps its look when you paste it somewhere else: unicode fonts, bubble and strikethrough styles, symbols, emoji and text art. You type on one side and copy the version you want from the other. Popular with people writing social media bios, stream overlays, forum signatures and headings for fields that do not allow formatting.
๐ฎ Mystic 14 tools
Mystic tools cover astrology, numerology, tarot and related traditions: birth charts, angel numbers, life path numbers, compatibility readings, card draws and sound tools. They follow the traditional systems faithfully and are offered for interest and entertainment, not as prediction or advice. Charts are calculated in your browser from the birth details you type, and those details are not stored or sent to us.