The guides.
Useful answers, worked examples, and the details that make a difference. Start with the question you came here to solve.
How much backup storage do you actually need?
A worked method for sizing a backup drive around your files, future growth, older versions and free space.
Read the guideA 3-2-1 backup plan you can use at home
Turn the 3-2-1 rule into a practical plan for household documents, photographs and projects, including a restore test.
Read the guideWhy a 1 TB drive can show about 931 GB
Understand decimal TB, binary GiB, formatted space and the checks to make before assuming capacity is missing.
Read the guideMbps versus MB/s: estimate a download without guessing
Convert internet speeds into file-transfer estimates, with worked examples and realistic limits.
Read the guideWhy your first cloud backup takes so long
Estimate an initial backup using upload speed, active hours and changing files, then check that recovery works.
Read the guideJPEG, PNG or WebP: choose the right image file
A practical comparison for photos, screenshots and transparent images, with a repeatable quality check.
Read the guideMake an image smaller without uploading it
A local-first image workflow: resize, choose a format, inspect the result and understand browser-processing limits.
Read the guideAdd up your subscriptions before the next renewal
A straightforward audit of monthly and annual digital subscriptions, using your own prices and renewal dates.
Read the guideSeparate work and personal browsing without constant sign-outs
Organise desktop browser accounts and bookmarks with profiles while understanding their privacy limits.
Read the guideBack up personal files on Ubuntu, then practise restoring them
A beginner workflow for backing up Ubuntu personal files with Déjà Dup and checking a restore before relying on it.
Read the guideCheck a file with SHA-256, and understand what a match means
Compare a file with a trusted SHA-256 checksum, recognise ordinary mismatches, and understand why a match is not a malware scan.
Read the guideResize or compress an image? Change the thing that matters
Choose useful pixel dimensions, preserve proportions and export a smaller file without confusing quality settings with image resolution.
Read the guideEstimate streaming data use without treating quality labels as a meter
Estimate video data from bitrate or a provider’s hourly guidance, add multiple devices, and compare the result with your real billing period.
Read the guideCompare internet plans using the whole bill, not the opening price
Compare promotional and regular internet prices over the same period, account for fees, and choose capacity around actual household needs.
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