Articles tagged “passwords”
Why Toolew runs your tools in the browser
How Toolew processes files on your own device with JavaScript and WebAssembly, what that means for privacy and speed, and which tools use the network.
· 4 min read
For developersRegular expressions for beginners: patterns you will actually use
A practical introduction to regex: characters, classes, quantifiers, anchors, groups and flags, with real examples for validation, search and data cleanup.
· 4 min read
DesignColour contrast and accessibility: a WCAG guide for designers
What contrast ratios mean, how WCAG 2.x calculates them, the AA and AAA thresholds, common pitfalls with brand colours, and how to build an accessible palette.
· 4 min read
GuidesQR codes that work: sizes, error correction, colours and UPI
How QR codes store data, how large to print them, which error-correction level to choose, how to add colours and logos safely, and how UPI payment QR codes are built.
· 5 min read
Money & financeSIP vs lump sum: what the maths really says
How SIP and lump-sum returns are calculated, why the annuity-due formula matters, what rupee-cost averaging does and does not do, and how to compare fairly.
· 4 min read
TutorialsMerge, split and compress PDFs privately in your browser
Step-by-step workflows for combining PDFs, extracting pages, reducing file size and signing documents, without uploading sensitive files anywhere.
· 4 min read
Privacy & securityStrong passwords in practice: length, passphrases and breach checks
What actually makes a password strong, why length beats complexity, how passphrases work, and how to check if a password has appeared in a data breach safely.
· 4 min read
Money & financeEMI explained: how your loan instalment is calculated
Understand the EMI formula, why early payments are mostly interest, how tenure and rate change the total cost, and how prepayment saves money.
· 4 min read
GuidesHow to compress images without visible quality loss
Choose the right format, size and quality setting for photos, screenshots and graphics, and shrink images for websites, forms and email in your browser.
· 4 min read
For developersJSON formatting and validation: a practical guide for developers
Why JSON breaks, how to read parser errors, when to pretty-print or minify, and a repeatable workflow for cleaning API responses and config files.
· 5 min read
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