Developer tools and
cloud pricing — in one place.
32 free, in-browser dev utilities — JWT, JSON, regex, DNS, hashes, time — plus an open AWS / GCP / Azure cost comparison engine. No accounts. No tracking of inputs.
| GCP | e2-standard-4 | 4c · 16g | $98/mo cheapest · save 30% |
| AWS | m5.xlarge | 4c · 16g | $140/mo |
| AZ | D4s_v5 | 4c · 16g | $140/mo |
| GCP | n2-standard-4 | 4c · 16g | $142/mo |
32 developer tools
Free, in-browser, no sign-up. Client-side tools keep your inputs on your machine. Server-backed tools (DNS, SSL, PDF) run on our infra and don't log anything.
PDF Merge
Combine multiple PDF files into one in seconds.
PDF Split
Split a PDF into individual pages or extract a custom page range.
PDF Password Remover
Remove password protection from PDFs you own.
Image to PDF Converter
Convert JPG, PNG, or WebP images into a single PDF in your browser.
PDF to Image Converter
Convert each page of a PDF into a high-quality PNG or JPG image.
Code & Data
JSON Formatter & Validator
Format, validate, and beautify JSON online.
YAML ⇄ JSON Converter
Convert between YAML and JSON in your browser.
XML Formatter & Validator
Beautify, validate, and minify XML online.
Regex Tester
Test regular expressions live.
UUID Generator
Generate UUIDs (v1, v4, v7) one at a time or in bulk.
Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 back to text.
JWT Decoder
Decode and inspect any JSON Web Token.
Hash Generator
Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-384, SHA-512) for any text or file.
QR Code Generator
Generate QR codes for URLs, text, Wi-Fi, or contact info.
URL Encoder & Decoder
Encode or decode URLs and query strings.
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates.
Time Zone Converter
Convert a date and time from one time zone to another.
Cron Expression Parser
Translate cron expressions into plain English and preview the next run times.
Password Generator
Generate strong random passwords in your browser.
Text Diff Checker
Compare two texts and see the differences line-by-line, word-by-word.
JSON ⇄ CSV Converter
Convert JSON to CSV or CSV to JSON in your browser.
Color Converter
Convert colors between HEX, RGB, HSL, and OKLCH formats with a live picker.
Case Converter
Convert text between 12 case styles: camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, dot.case, Title Case, sentence case, UPPER, lower, and more..
Network
What Is My IP Address
Find your public IP address (IPv4 and IPv6) instantly with geolocation, ISP, and reverse DNS info.
DNS Lookup Tool
Fast online DNS lookup.
Online Ping & Port Checker
Ping any host and check whether a TCP port is open from the internet.
HTTP Header Viewer
View raw HTTP response headers for any URL.
WHOIS Lookup
Free WHOIS lookup.
Website Status Checker
Check whether any website is up or down from our servers.
SSL Certificate Checker
Inspect any TLS/SSL certificate online.
Redirect Checker
Follow every hop in a redirect chain.
Internet Speed Test
Measure your internet download speed, upload speed, and ping in seconds.