Practical guides for everyday files and writing
Worked examples and clear limits for the tools people use most often.
These guides explain common tasks with realistic examples and the trade-offs behind each tool. Start with the task you need to finish, then open the linked tool when you are ready.
- Prepare a photo and signature for an online applicationA complete workflow for format, exact pixels, file size and final checks.
- Prepare a PDF package before sending itPut pages in order, preserve readability and inspect the saved file.
- Build a clear resume from your own experienceWrite specific lines from real work and check the exported PDF.
- Editing text in a PDF: what will actually changeChoose the right PDF edit for a form, a scanned page or a text paragraph.
- Compressing a PDF without losing the parts you needUnderstand why scanned PDFs shrink and why selectable text may disappear.
- How to prepare an image for a size-limited formChoose between image quality, dimensions and format when a portal sets a KB limit.
- How to compare two loan EMIs fairlyUse a worked loan example to understand instalments, interest and missing charges.
- Turn a rough request into a clear work emailBuild a useful subject, action request and deadline, then review an AI draft.
- Check an invoice before sharing itA practical checklist for parties, dates, tax, discounts and the final PDF.
- Extract text from a photographed pageImprove OCR results by preparing the image and checking the copied text.
- Read and fix a JSON formatting errorUse a small example to identify missing commas, quotation marks and unexpected data types.
How these guides are maintained
We update instructions when a tool changes. Each guide links to a working tool and explains where its result needs a manual check. If an example does not match what you see, tell us which page and browser you used.