Every ToolLane utility in one place. Pick a tool below—processing stays in your browser; nothing uploads to our servers.
Jump to all 20 toolsCard grid below — same page, full catalog.Back to home20 tools available now, plus a shortcut home. More are added over time.
Return to the landing page for highlights, popular tools, and quick links.
Convert WebP images to PNG format in your browser.
Convert JPEG images to PNG with local processing.
Shrink JPG and PNG file size without leaving the browser.
Beautify or minify JSON with instant validation.
Generate QR codes for URLs and plain text.
Turn Markdown into a downloadable PDF locally.
Encode and decode Base64 text in one place.
Create random UUID v4 values in batches.
Switch between upper, lower, title, camelCase, and more.
Convert PNG images to JPEG with adjustable quality.
Resize images to exact pixel width and height locally.
Crop images with precise pixel coordinates and PNG export.
Rasterize PDF pages to JPEG files or a ZIP of all pages.
Merge multiple JPEG images into one A4 PDF document.
Count words, characters, lines, and paragraphs instantly.
Join broken lines from PDFs and emails into paragraphs.
Percent-encode strings with encodeURIComponent.
Decode percent-encoded strings safely in the browser.
Convert JSON arrays of objects to downloadable CSV.
Create strong random passwords with crypto.getRandomValues.