Practical guides for browser-based tools, clean workflows, and safer publishing.
Remove editor metadata, comments, and extra precision from SVG files locally before publishing icons, logos, and illustrations.
File ToolsUse best-effort browser-side text extraction to convert legacy .doc files into simple PDF documents.
File ToolsConvert DOCX Word documents, plain text, and simple RTF files into PDF locally, with page size and font controls.
File ToolsUpload an image to check dimensions, simplified ratio, decimal ratio, orientation, closest common match, and CSS aspect-ratio.
File ToolsCreate animated GIFs from local image frames with frame delay, output size, fit mode, background color, and looping controls.
DesignCheck text and background colors against WCAG contrast ratios before shipping buttons, cards, forms, and content pages.
File ToolsEdit PNG title, author, description, copyright, source, keywords, and comments locally, or export sidecar metadata for other files.
SEOBuild campaign URLs with UTM parameters for email, ads, social posts, affiliates, newsletters, and analytics reporting.
SEOCheck title tags, meta descriptions, Open Graph previews, canonical URLs, images, and social snippets before publishing.
SecurityVerify file hashes with SHA-256 or MD5 checks to compare downloads, backups, releases, and shared files without uploading data.
SEOUse readability scores to improve drafts by checking sentence length, word choice, structure, headings, and reader intent.
DeveloperUse a subnet calculator to plan network address, broadcast address, usable hosts, CIDR ranges, and allocation notes.
DesignCalculate screen dimensions and aspect ratios for images, video, responsive layouts, thumbnails, and device previews.
FinanceEstimate import duty and tax by checking item value, shipping, thresholds, local VAT, customs fees, and landed cost.
FinanceUse a loan calculator to compare monthly payments, total interest, repayment terms, extra payments, and real borrowing cost.
File ToolsGenerate QR codes that work reliably by checking destination URLs, print size, labels, contrast, and scanning distance.
SEOUnderstand how robots.txt and XML sitemaps work together for crawl access, canonical URLs, lastmod dates, and discovery.
DeveloperConvert Unix timestamps safely by checking seconds vs milliseconds, UTC, local time zones, logs, and API date fields.
WritingConvert Markdown to clean HTML by checking headings, lists, links, code blocks, tables, and final publishing markup.
DesignCheck color palettes for readable contrast, states, backgrounds, disabled UI, and documentation before using them in production.
SecurityTest password policy rules for length, symbols, banned patterns, copy clarity, and realistic user behavior before release.
DeveloperConvert CSV to JSON more safely by checking headers, empty cells, types, delimiters, encoding, and malformed rows.
DeveloperBuild regular expressions with real test cases, negative examples, anchors, flags, and clear match checks before using them.
WritingEssential text tools for writers and developers: case conversion, duplicate removal, find and replace, word counting, and more.
ImageLearn how to reduce image file sizes for faster websites with browser-based image compression and resizing.
ImageResize and compress web images by choosing dimensions, formats, quality levels, and checks that improve page speed.
ProductivityLearn the Pomodoro technique for focused work with practical timer rules and review habits.
File ToolsA practical PDF workflow for merging, splitting, rotating, and checking documents locally before sharing or archiving.
DeveloperUse JSON Schema validation to catch missing fields, wrong types, invalid values, and API contract drift before release.
DeveloperLearn when to URL encode API values, how query strings break, and how to avoid double-encoding request parameters.
WritingClean copied text before publishing by fixing spacing, duplicate lines, casing, hidden characters, and final readability checks.
RoundupA curated collection of browser-based tools for JSON, passwords, color work, PDF handling, and more.
DeveloperLearn what Base64 encoding is, why APIs use it, and how to encode or decode strings online.
DeveloperFormat, validate, and minify JSON instantly in your browser without signup or server-side processing.
HealthCalculate BMI instantly, understand the formula, and know the limits of body mass index as a health estimate.
DesignLearn CSS Flexbox with practical layout checks for direction, alignment, wrapping, and spacing.
SecurityLearn what makes a password strong and how to generate random, secure passwords with a browser-based tool.
File ToolsMerge, split, rotate, convert, and unlock PDF files in your browser without installing extra software.