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Practical how-tos for merge, compress, convert, and protect — built for long-tail SEO.
Good and bad alt text examples: informative charts, icon buttons, decorative empty alt, and the “same information in context” rule.
ocr pdf free no uploadMake image-only PDFs searchable with on-device Tesseract — no cloud OCR API.
compress pdf to 100kbHit university and government size caps with target-KB compression — without uploading your scan.
sortmyfile vs ilovepdfWhen privacy matters more than cloud convenience — browser-only PDF and image tools vs upload-based suites.
free accessibility testing toolsWhat axe-core, Lighthouse, and WAVE-class scanners catch — and the 50–70% of WCAG issues that still need a human.
wcag color contrast checkerWCAG 2.1 AA and AAA contrast ratios for text and UI components — and how to verify a color pair with a luminance-based checker.
ocr pdf online freeMake scanned PDFs searchable without uploading pages to a cloud OCR API.
color contrast checkerVerify foreground and background contrast ratios before you ship UI.
compress image onlineShrink JPG, PNG, and WebP in the browser for faster uploads and emails.
make pdf accessibleAdd a searchable text layer so people can find content and use assistive tools.
merge pdf online freeCombine multiple PDFs in your browser without uploading them to a server.
compress pdf for emailShrink oversized PDFs so they clear Gmail and form upload caps.
jpg to pdf phone browserTurn camera photos into a single PDF without installing an app.
split pdf by page rangeExtract chapters or attachments without desktop software.
protect pdf with password onlineAdd a password so casual viewers cannot open the file.