Guides
Practical guides to the everyday things our apps help with.
Signing documents, writing a resume or a novel, running a small shop, getting better at word puzzles, hosting a quiz, keeping a journal. Each guide works whichever tool you use.
12 October 2026 · 5 min read
How to sign a PDF without uploading it anywhere
Most signing websites upload your contract to their servers first. Here is how to fill in and sign a PDF on your own computer or phone, and what to check before you send it back.
Read the guide →12 October 2026 · 4 min read
How to turn a photo of your signature into a transparent PNG
A clean signature image with no background, from a phone photo. How to take the photo, how to remove the paper by hand in a free editor, and how to save it so it drops neatly into any document.
Read the guide →12 October 2026 · 4 min read
How to write a resume that applicant tracking systems can read
Many applications are read by software before a person sees them. What applicant tracking systems do with your resume, the layouts that trip them up, and a quick test you can run yourself.
Read the guide →12 October 2026 · 4 min read
How to keep track of characters and worldbuilding in a long novel
By chapter twenty it’s easy to forget a character’s eye colour or the year the war ended. How to build a story bible that keeps your novel consistent without turning into a second book.
Read the guide →12 October 2026 · 3 min read
How to track customer credit and debts in a small shop
Selling on credit keeps regular customers coming back, but unrecorded debts quietly eat a shop’s profit. A simple system for recording who owes what, collecting it, and knowing your real numbers.
Read the guide →12 October 2026 · 3 min read
How to get better at crossword-style word puzzles
Solving word clues is a skill you can practise. The techniques experienced solvers use, from reading clues for their part of speech to using letter patterns and coming back later.
Read the guide →12 October 2026 · 3 min read
How to host a trivia night your friends will actually enjoy
Good trivia is about pacing, fair questions and a bit of drama, not just hard facts. How to plan rounds, write questions, keep score and run a quiz in person or online.
Read the guide →12 October 2026 · 3 min read
How to keep a daily journal you’ll actually stick to
Most journals are abandoned within weeks because they ask too much. How a one-line-a-day habit, small prompts and noticing ordinary moments make journaling easy to keep up.
Read the guide →12 October 2026 · 4 min read
Google suspended my project over an API key in my app. Here’s how to avoid it
In May 2026 Google Cloud suspended the project behind our trivia game, and the cause was an unrestricted API key inside the app. What went wrong, how we got reinstated, and how to keep keys out of your own builds.
Read the guide →12 October 2026 · 4 min read
How to build a panic button that still works with bad signal
Security guards work nights at sites with weak signal, and a panic button that fails once is worse than none. How we designed the alert in the LISABEM guard app to get through anyway.
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