Developer Utilities & Workflow Tools
Fast, privacy-first web utilities with zero server transmission. Every tool connects directly to Pasteport for instant 1-click cross-device sharing.
JSON Formatter & Tree
Auto-beautify, minify, validate, and explore nested JSON payloads with zero server transmission.
YAML ↔ JSON Converter
Convert seamlessly between YAML and JSON formats with live syntax error indicators.
SQL Formatter & Beautifier
Beautify messy SQL queries, uppercase keywords, and clean up indentation client-side.
HTML Formatter & Preview
Beautify or minify HTML markup and inspect live rendering inside an isolated sandbox.
Diff Checker
Compare text and code changes side-by-side or unified with syntax change highlighting.
Markdown Live Editor
Split-screen live markdown editor with GitHub Flavored Markdown and PDF/HTML export.
Base64 & URL Converter
Encode and decode strings, query parameters, and binary files into Data URIs in browser memory.
Regex Tester & Matcher
Test regular expressions in real time with capture groups inspector and common regex presets.
UUID & GUID Generator
Generate RFC 4122 (v4 random) and RFC 9562 (v7 time-ordered) UUIDs in bulk.
Unix Timestamp Converter
Convert Unix epoch timestamps to human readable dates, ISO-8601, and relative times.
Cron Schedule Generator
Build, decode, and calculate upcoming execution dates for standard 5-field cron schedules.
Lorem Ipsum & Mock JSON
Generate placeholder text, sentences, or structured mock JSON data for development.
JWT Debugger & Decoder
Inspect header and payload claims with live expiration countdowns without transmitting secrets.
JWT Generator & Signer
Construct and sign HMAC-SHA256 JWT tokens using browser Web Crypto APIs.
Hash & Checksum Generator
Compute MD5, SHA-1, SHA-256, SHA-512, and HMAC signatures for text and local files.
URL Parser & Query Editor
Deconstruct URLs, inspect and live-edit query parameters, and encode components safely.
HTTP Status Code Reference
Fast, searchable encyclopedia of standard RFC and Cloudflare HTTP status codes.
Color Converter & Contrast
Convert HEX, RGB, HSL color codes and calculate WCAG 2.1 accessibility contrast ratios.
IP & CIDR Subnet Calculator
Validate IPv4 & IPv6, identify public/private networks, calculate CIDR ranges, and inspect binary formats.
LLM Tokenizer & Token Counter
Calculate token consumption, words, character ratios, and inference pricing for GPT-4o, Claude 3.5, and LLaMA.
CSV ↔ JSON & Table Converter
Convert CSV/TSV to JSON, edit data in interactive tables, and export Markdown tables.
Base & Bitwise Calculator
Convert numbers across Binary, Octal, Decimal, Hex and execute AND/OR/XOR bitwise ops.
CSS Shadow & Glassmorphism
Design layered CSS box shadows and frosted glassmorphism blur cards with live preview.
SVG Optimizer & Previewer
Minify SVG vectors, strip comments/doctype bloat, inspect live vector renderings, and export Data URIs.
CSS Gradient & Mesh Generator
Visually build linear, radial, and conic CSS gradients with multiple color stops.
XML ↔ JSON & Plist Converter
Bi-directional XML, HTML, and Apple Plist to JSON converter with tag hierarchy.
ASCII Art & Unicode Styler
Convert text into decorative Unicode fonts, monospace styles, strikethrough, and URL slugs.
Keycode & Event Inspector
Inspect keyboard key presses, event.key, event.code, keyCode, and modifier flags.
Favicon & Data URI Generator
Convert images to base64 Data URIs, test multi-size favicon previews, and export HTML tags.
Flexbox & CSS Grid Playground
Visual interactive playground for CSS Flexbox and Grid layouts with instant CSS generation.
Password Hash & PBKDF2 Digest
Derive secure PBKDF2-SHA256 password digests with salt rounds and verify hash matches.
Pasteport Desktop App
Cross-platform app for Windows, macOS, and Linux with global hotkey (Ctrl+Shift+P) and tray daemon.
Pasteport CLI Tool
Zero-dependency command-line interface. Pipe terminal outputs, upload zip archives, and script sharing.