Why this site exists
Collabs Tool exists because the tasks people need a tool for are usually small, urgent and not worth installing software for. Converting one image, checking one meta description, counting one document's words — each is a thirty-second job that should not require an account, a download or an upload of the file to somebody else's server.
What we build
The library currently holds 57 tools across 6 categories, and it grows in the direction people actually ask for. Every tool has its own page with its own instructions, its own limits and its own honest account of what it cannot do.
- Image Tools — 19 tools. convert, compress and resize pictures.
- PDF Tools — 10 tools. merge, split and convert documents.
- Text Tools — 6 tools. count, clean, sort and rewrite text.
- Developer Tools — 7 tools. format, validate, encode and generate.
- SEO Tools — 5 tools. check metadata and build campaign urls.
- Calculators & Generators — 10 tools. everyday maths, passwords and qr codes.
Principles we hold to
These are not marketing lines. Each one has cost us a feature at some point, which is the only reliable test of whether a principle is real.
- Browser first, always. We default to client-side processing and only reach for a server when the browser genuinely cannot do the job. That decision is driven by privacy and speed rather than cost, though it happens to be cheaper too.
- One tool, one page, one job. Every tool has its own URL, its own copy and its own interface tuned to the task. We would rather build thirty good tools than one Swiss-army panel with thirty half-finished modes.
- Explain the trade-offs. Each page says what the tool actually does, what it cannot do, and what the alternatives are — including when the alternative is not to use our tool at all. A tool that tells you a PNG is the wrong format for your photograph is more useful than one that quietly converts it.
- No dark patterns. No fake progress bars, no forced email capture, no countdown timers, no disguised adverts and no result held hostage behind a share button.
How processing actually works
A browser can do considerably more than most people expect. Decoding and re-encoding an image, parsing and re-writing a PDF, generating cryptographically strong random bytes, converting between timezones and rendering a QR code are all available to plain JavaScript running in a tab. That is why almost nothing here needs a server.
Where a tool genuinely does need one, the page says so above the fold, in the same place the privacy note always appears. There is no such tool in the current library — every page states that it runs on your device, and the claim is verifiable by opening your browser’s network panel and watching nothing happen.
How the site makes money
The site is free and will stay free. Display advertising on high-traffic pages covers infrastructure. A premium tier is planned for people who need server-side processing of very large files, saved history and an ad-free experience. Nothing that works today will move behind that tier.
Start with one of these
The six tools people use most, if you would rather look than read.
- Compress PDF — Shrink PDF files by rewriting them with compressed object streams.
- HEIC to JPG Converter — Open iPhone HEIC photos and save them as JPG, on your device.
- Video to GIF — Sample any browser-playable clip into a looping GIF.
- QR Code Generator — Create QR codes for URLs, text, Wi-Fi, contacts and more.
- Password Generator — Create strong, cryptographically random passwords entirely on your device.
- Random Number Generator — Generate random integers, decimals or lists with no repeats.
Get in touch
Questions, corrections, feature requests and bug reports are all welcome. We read everything and reply to most of it.