Kodotools Blog
Guides, tips &
how-tos.
Practical walkthroughs on loan payments, image compression, CV writing, QR codes, and navigating government portals.
Share WiFi password with a QR code
How WiFi QR codes work on iPhone and Android — without uploading your password anywhere. One scan, guests are connected.
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28 articlesShare WiFi password with a QR code
How WiFi QR codes work, how to create one safely in your browser, and tips for guests on iPhone and Android.
Read guide →QR codes for small business — 10 practical uses
Menus, contacts, WhatsApp links, PDF downloads, and print-friendly materials for your business.
Read guide →How to create a QR code for free
Choose the right type, keep data clean, export PNG, JPG, or SVG.
Read guide →QR code size guide for print
Minimum sizes for cards, flyers, and posters.
Read guide →vCard QR code guide
Digital business card QRs that import cleanly on Android and iPhone.
Read guide →QR code design tips
Contrast, logos, and quiet zone — keep custom codes scannable.
Read guide →JPG vs PNG: which image format should you use?
Photos, screenshots, transparency, upload forms, and when to convert between formats.
Read guide →WebP vs PNG: which format is better?
Website speed, editing support, transparency, and when to convert WebP to PNG or JPG.
Read guide →How to convert images online without uploading
A private browser-only workflow for JPG, PNG, WebP, HEIC, SVG, and strict upload limits.
Read guide →How to resize an image without losing quality
Crop vs fit, JPEG export, Instagram and WhatsApp sizes, and when compression matters after resizing.
Read guide →Facebook cover photo size guide
Cover dimensions, mobile-safe areas, JPG vs PNG, and how to keep wide banner graphics readable.
Read guide →YouTube thumbnail size guide
1280×720 dimensions, title-safe layouts, crop choices, and export tips for sharper video thumbnails.
Read guide →LinkedIn profile photo size guide
Square dimensions, circle-safe crops, and simple export choices for professional profile photos.
Read guide →PPSC photo size guide — pixels, crops, and uploads
Resize images for Punjab Public Service Commission forms: square presets, fit modes, file-size limits, and common mistakes.
Read guide →FPSC photo size guide — federal commission uploads
Prepare photos for Federal Public Service Commission applications: dimensions, JPEG vs PNG, and pairing resize with compression.
Read guide →NADRA photo requirements 2025
CNIC, NICOP, and FRC specs — dimensions, 100KB limit, white background, JPG format.
Read guide →Passport photo size guide - countries, pixels, and print sizes
Compare Pakistan, US, UK, Canada, 2x2, and 35x45 photo sizes with official source links and tool presets.
Read guide →DGIP passport photo size — 350 x 467 pixels
Pakistan online passport photo size, JPG format, white background, 3MB limit, and crop advice.
Read guide →How to compress image for PPSC
25KB and 600×600 workflow — resize, compress, and upload for Punjab commission forms.
Read guide →How to reduce photo to 100KB
Exact KB targeting for forms that say “reduce photo size to 100KB” — free, in-browser.
Read guide →WhatsApp DP size 2025
Profile photo, status, and group icon pixel sizes — plus a free resizer.
Read guide →How to compress an image under 100 KB
Step-by-step for NADRA, FBISE, and government portals with strict upload limits.
Read guide →Compress a passport or ID photo for portals
Meet visa, NADRA, and passport office file size requirements without losing quality.
Read guide →Resize a photo for a job application
How to compress your headshot or profile photo for employer portals and online forms.
Read guide →How to write an ATS-friendly resume
Format, keywords, and structure tips that get your CV past automated screening software.
Read guide →Resume bullets that actually get read
How to write achievement-first bullet points with numbers that make recruiters stop scrolling.
Read guide →Free CV maker with no signup — does it exist?
Yes. Here's what to look for in a genuinely free CV tool — and why most "free" builders aren't.
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