Business
Invoice Generator
Create professional invoices in seconds. Export as PDF.
Browser-based utilities for developers, designers & creators.
Fast, free, and privacy-friendly — everything runs locally.
Create professional invoices in seconds. Export as PDF.
Format, validate, compare and explore JSON data with multi-tab support.
Encode or decode text and files to/from Base64 instantly.
Preview any URL in an iframe with responsive viewport presets.
Write and preview HTML live in a split-pane editor.
Resize, compress, crop, rotate and convert images in your browser.
View, annotate, reorder pages and merge PDF files online.
Test and debug regular expressions live with match highlighting.
Write Markdown with live preview. Export as HTML.
Decode and inspect JWT tokens instantly. No data sent to any server.
Generate harmonious color palettes. Export HEX, RGB, HSL, CSS vars.
Convert Unix timestamps to human dates and vice versa. Multi-timezone.
Generate SHA-256, SHA-512, SHA-1 hashes from text. Runs locally.
Generate strong, secure passwords. Fully offline, nothing stored.
Generate QR codes from URLs or text. Download as PNG or SVG.
Build beautiful CSS gradients visually. Copy ready-to-use CSS.
Paste and preview SVG code. View source and optimize.
Compare two text blocks line by line. Highlights additions and deletions.
Lookup DNS records for any domain. A, AAAA, MX, CNAME, NS, TXT, SOA, CAA, PTR, SRV and more.