How to choose PNG, JPG, or WebP before you convert a file
A practical decision guide for screenshots, photos, logos, and web assets so you pick the right format before uploading.
8 min read
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Guides and workflows
Longer articles on formats, documents, timestamps, and data conversion. Written for people using the tools, not for site owners tuning layouts.
PDF merge and split: a page-order checklist before you send
Avoid the most common PDF mistakes (wrong order, rotated scans, missing pages) with a short pre-flight list.
7 min read
Read article →Unix timestamps: telling seconds from milliseconds in logs
Why epoch values land in 1970 or the far future, and how to sanity-check timestamps from APIs and logs.
6 min read
Read article →CSV and JSON round trips without breaking rows or types
Practical tips for headers, quoting, nested fields, and when a spreadsheet export is not valid JSON yet.
9 min read
Read article →Markdown structure to verify before you publish
Headings, lists, and fences that are easy to break when copying between apps.
6 min read
Read article →Hash digests vs encryption: what the hash generator shows
Checksums detect change; they do not hide data. When to use SHA-256 locally.
5 min read
Read article →JWT claims to check before you trust a token
Header alg, exp, aud, and iss fields worth reading during integration debug.
7 min read
Read article →Timezone handoffs for remote teams without mental math
Use city-based zones and daylight saving aware labels before sending invites.
6 min read
Read article →Strong passwords without reusing secrets across sites
Length, randomness, and storage habits that pair well with a local generator.
5 min read
Read article →Base64 in config files and logs: encode, decode, and sanity-check
Why padding appears, how to avoid confusing encoding with encryption, and when to switch tools.
6 min read
Read article →A JSON debug checklist after API or config changes
Steps to validate payloads locally before they reach staging or production systems.
6 min read
Read article →PDF merge, split, and watermark without a cloud upload step
A practical path for contracts and scans when you want the edit step to stay on your machine.
7 min read
Read article →Browser WASM and local steps: what developers should expect
How in-tab libraries change the trust boundary for PDF and image utilities compared with server uploads.
8 min read
Read article →Why client-side image conversion reduces exposure for everyday files
What changes when the convert step runs in the browser instead of uploading originals to a remote worker.
7 min read
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