Browser-only tools that run 100% locally. No data is ever sent anywhere.
Paste or drag & drop an OpenAPI schema (JSON/YAML) to instantly preview it with Swagger UI and see validation warnings.
Drop or select images (PNG, JPEG, WebP, etc.), reorder them by dragging, and download as a single PDF.
Paste JSON to format, validate, and syntax-highlight it instantly. Minify, copy, or export as YAML.
Convert PDF, DOCX, PPTX, and other documents to Markdown using Cloudflare Workers AI.
Encode text or files to Base64, or decode Base64 back to text and downloadable files. Full UTF-8 support.
Paste a JWT to decode its header, payload, and check expiration status instantly.
Paste two texts side by side and see a highlighted diff with additions, deletions, and line numbers.
Write regex patterns with live matching, capture group highlighting, and a quick reference guide.
Paste or drop a CSV file to view it as a sortable, filterable table with pagination.
Generate UUIDs (v4, v7), ULIDs, and Nanoids in bulk with timestamp decoding.
Parse cron expressions to see the next run times and a plain English description.
Convert colors between HEX, RGB, HSL, and oklch with a visual picker and sliders.
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text or files.
Resize, compress, and convert images between JPEG, PNG, and WebP with quality control.
Paste or drop an SVG to strip metadata, remove unused elements, and reduce file size.
Generate QR codes with custom size, colors, and error correction. Download as PNG or SVG.
Generate secure random passwords or passphrases with entropy strength estimation.
Drop an image to view its EXIF metadata, then strip it and download a clean copy.