Practical guides for common digital tasks
Clear, step-by-step help for PDFs, images, developer tools, and everyday work, with honest notes about limits and processing.
Choose the right PDF tool
Match common PDF tasks with the tool that fits them best.
Read time 3 min read
Prepare images for the web
Resize, crop, convert, and compress images in a sensible order.
Read time 3 min read
Useful developer tools in your browser
A practical guide to formatting, encoding, testing, and comparing data.
Read time 3 min read
Compress a PDF step by step
Assess scanned vs text-heavy files, run In-browser compression, and review before you upload.
Read time 3 min read
Background removal that fits the subject
Server-backed AI cutouts for products and portraits — with edge, privacy, and reuse limits.
Read time 4 min read
Pretty-print and fix JSON syntax
Parse strict JSON automatically, inspect errors, and review readable indented output.
Read time 3 min read
PDF workflows for school uploads
Merge sections, compress scans, protect IDs — without assuming unlimited portal limits.
Read time 3 min read
Balance size and readability
Trade-offs for small text, charts, and scans — no promise of identical clarity.
Read time 3 min read
JPG, PNG, or WebP for the web
Transparency, re-encoding, browser support, and when smaller files still look wrong.
Read time 4 min read
Redact sensitive JSON before review
Use synthetic data, replace credentials and identifiers, and check screen and clipboard exposure.
Read time 4 min read
Manual SEO checks you can run today
Titles, descriptions, canonicals, and previews — without a built-in audit suite.
Read time 3 min read
Static QR codes for real customers
Menus, cards, and labels — test the destination and print size before you ship.
Read time 4 min read
Generate passwords in the browser
Length, uniqueness, password managers, and MFA — not a strength-checker tool.
Read time 3 min read
Count and compare drafts
Word totals, reading time estimates, and Text Diff — not grammar or slug tools.
Read time 3 min read
Palette choices that stay readable
HEX, RGB, and HSL conversion with foreground/background contrast ratios and AA text labels.
Read time 3 min read
Units, age, and time zones
Six unit categories and a curated zone list — calendar math, not legal eligibility.
Read time 3 min read
Base64, URL, and HTML escaping
Three different jobs — DevToolKit ships Base64 and URL tools; HTML escaping stays conceptual.
Read time 3 min read
Preview links before you share
Inspect titles, Open Graph tags, and images manually — no built-in preview checker.
Read time 4 min read
Convert with the right processing label
Forty-three In-browser tools, two Server-backed, one external preview — check before upload.
Read time 3 min read
Clean CSV before import
Headers, delimiters, and spreadsheet injection — educational steps without a CSV tool.
Read time 3 min read
Speed wins that start with images
Dimensions, compression, and WebP — plus what DevToolKit Image tools can actually do.
Read time 3 min read
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