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Articles, tutorials, and guides on PDFs, images, text, developer tools, calculators, converters, colors, generators, security, and SEO - every one usable directly in your browser with no software and no uploads.
44 published articles
Featured Articles
Color Contrast Checker: WCAG Accessibility Guide
Learn how to check color contrast for accessible websites. WCAG AA and AAA requirements, the ratio formula, and how to use a contrast checker tool in your browser.
How to Convert Images to WebP for Faster Websites
Convert images to WebP in your browser to cut page weight and speed up loading. WebP vs PNG vs JPG explained, plus quality settings that keep images sharp.
Browse by Category
PDF Tools
6 articles
Free online PDF tools to merge, split, compress, rotate, and convert PDFs to JPG or images — entirely in your browser with no uploads.
Image Tools
3 articles
Free image tools to compress, resize, crop, flip, and convert images between PNG, JPG, WEBP, and HEIC formats right in your browser.
Text Tools
5 articles
Free text tools to count words and characters, convert case, remove duplicate lines, reverse text, and generate placeholder copy instantly.
Developer Tools
2 articles
Free developer utilities for JSON formatting, Base64 encoding and decoding, URL encoding, UUID generation, and JWT decoding in the browser.
Calculators
2 articles
Free online calculators for age, BMI, percentages, loans, discounts, GST, and date differences — instant results, no sign-up required.
Converters
3 articles
Free unit converters for length, temperature, weight, area, speed, and more — convert measurements instantly in your browser.
Color Tools
3 articles
Free color tools to convert HEX to RGB, generate palettes and gradients, pick colors, and check WCAG contrast for accessible design.
Finance Tools
10 articles
Free finance calculators for mortgages, loans, EMI, compound interest, SIP, retirement, salary, tips, and everyday money decisions.
Generators
2 articles
Free generators for strong passwords, QR codes, random numbers, and on-demand data — everything runs locally in your browser.
Security Tools
2 articles
Free security tools to check password strength and generate SHA-256, SHA-512, MD5, and SHA-1 hashes entirely on your device.
SEO Tools
6 articles
Free SEO tools to generate meta tags, robots.txt, sitemap.xml, Open Graph, and Twitter card markup ready to paste into your site.
Latest Articles
How to Remove Duplicate Lines from Text (Fast)
Remove duplicate lines from lists, logs, and exports in your browser. Learn when to strip duplicates, when to keep them, and how to avoid mistakes.
Color Contrast Checker: WCAG Accessibility Guide
Learn how to check color contrast for accessible websites. WCAG AA and AAA requirements, the ratio formula, and how to use a contrast checker tool in your browser.
How to Convert Images to WebP for Faster Websites
Convert images to WebP in your browser to cut page weight and speed up loading. WebP vs PNG vs JPG explained, plus quality settings that keep images sharp.
Convert PDF to Word in Your Browser (Privacy-Friendly)
Learn how to convert PDF to Word format online — editable .docx output without uploading, sign-up, or paid software. Step-by-step guide, limits, and troubleshooting.
Text Length for Social Media: Character Limits Guide
Character and word limits for every major social platform, why text length matters for reach, and how to analyze your posts with a word counter before publishing.
How to Convert JPG to PDF on Any Device
Turn JPG photos, scans, and screenshots into a single PDF in your browser. Free method that works on phone and desktop, with ordering and privacy tips.
How to Merge PDF Files Online for Free
Learn how to merge PDF files into one document in the right order, avoid common mistakes, and keep private files secure - right in your browser, free.
How to Split a PDF Into Separate Files
Learn how to split a PDF by page range or extract specific pages into new files - free in your browser, with ordering tips and common mistakes explained.
