tooledge.dev · 24 tools + cloud cost comparison

Developer tools and
cloud pricing — in one place.

24 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.

Cheapest 4 vCPU / 16 GB
us-east-1 · linux
GCPe2-standard-44c · 16g$98/mo
cheapest · save 30%
AWSm5.xlarge4c · 16g$140/mo
AZD4s_v54c · 16g$140/mo
GCPn2-standard-44c · 16g$142/mo
See full comparison
↻ pricing synced 2h ago/cloud →

24 developer tools

Free, in-browser, no sign-up. Inputs stay on your machine for client-side tools.

26 tools · 3 categories

Code & Data

JSON, JWT, regex, hashes, time
/tools/json-formatter
JSON Formatter & Validator
Format, validate, and beautify JSON online. Detect syntax errors, minify for production, and pretty-print large payloads instantly.
/tools/yaml-json-converter
YAML ⇄ JSON Converter
Convert between YAML and JSON in your browser. Paste YAML to get JSON, or JSON to get YAML — preserves nested structures.
/tools/xml-formatter
XML Formatter & Validator
Beautify, validate, and minify XML online. Catches malformed tags, mismatched braces, and missing closes.
/tools/regex-tester
Regex Tester
Test regular expressions live. See matches, groups, and replacements update as you type. PCRE/JS-compatible flags.
/tools/uuid-generator
UUID Generator
Generate UUIDs (v1, v4, v7) one at a time or in bulk. Copy to clipboard with a click.
/tools/base64-encoder
Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 back to text. Supports UTF-8, URL-safe variants, and large payloads.
/tools/jwt-decoder
JWT Decoder
Decode and inspect any JSON Web Token. View header, payload, and signature. Tokens stay in your browser — never sent anywhere.
/tools/hash-generator
Hash Generator
Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-384, SHA-512) for any text or file. Free online hash tool.
/tools/qr-code-generator
QR Code Generator
Generate QR codes for URLs, text, Wi-Fi, or contact info. Download as PNG, customize size — free and unlimited.
/tools/url-encoder
URL Encoder & Decoder
Encode or decode URLs and query strings. Handles percent-encoding, special characters, and unicode correctly.
/tools/timestamp-converter
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates. Supports seconds, milliseconds, ISO 8601, and UTC offsets.
/tools/timezone-converter
Time Zone Converter
Convert a date and time from one time zone to another. Compare meeting times across UTC, PST, EST, IST, GMT, JST, and 400+ zones.
/tools/cron-parser
Cron Expression Parser
Translate cron expressions into plain English and preview the next run times. Validates standard 5-field and 6-field crons.

Network

DNS, IP, SSL, ping, WHOIS, speed
/tools/ip-address-finder
What Is My IP Address
Find your public IP address (IPv4 and IPv6) instantly with geolocation, ISP, and reverse DNS info. Free, no signup.
/tools/dns-lookup
DNS Lookup Tool
Fast online DNS lookup. Query A, AAAA, CNAME, MX, NS, TXT and SOA records for any domain. Useful for debugging mail, hosting, and DNS propagation.
/tools/ping-port-checker
Online Ping & Port Checker
Ping any host and check whether a TCP port is open from the internet. Diagnose connectivity, firewalls, and service availability.
/tools/http-header-viewer
HTTP Header Viewer
View raw HTTP response headers for any URL. Inspect cache, security, CORS, and content headers used by browsers and bots.
/tools/whois-lookup
WHOIS Lookup
Free WHOIS lookup. Find domain owner, registrar, creation date, expiry date, and name servers for any domain.
/tools/website-status-checker
Website Status Checker
Check whether any website is up or down from our servers. See response code, response time, and status — without VPNs or extensions.
/tools/ssl-certificate-checker
SSL Certificate Checker
Inspect any TLS/SSL certificate online. View issuer, validity dates, subject, SAN list, and certificate chain. Catch expiring certs early.
/tools/redirect-checker
Redirect Checker
Follow every hop in a redirect chain. See status codes (301, 302, 307, 308), final URL, and timing — useful for SEO and link migrations.
/tools/speed-test
Internet Speed Test
Measure your internet download speed, upload speed, and ping in seconds. Free, no plugins, runs in your browser.