URL Parser
Break a URL into protocol, host, path, and query.
Network / HTTP← Home
Network / HTTP
URLs, IP addresses, HTTP requests, headers, and subnets.
Query String Builder
Query String Builder
Parse and rebuild URL query parameters.
Query String Builder is a free online developer tool in DevKit’s Network / HTTP collection. Parse and rebuild URL query parameters. It runs entirely in your browser — no login and no uploads — so your input stays private. Search keywords: query, params, url, search.
What you can do
- Parse and rebuild URL query parameters
- Runs locally in your browser
- Related terms: query, params, url, search
Category: Network / HTTP
- query
- params
- url
- search
DevKit runs in your browser. No login, no paywall, and nothing is uploaded to a server.
Parse and rebuild URL query parameters.
Network / HTTPHTTP Status Reference
HTTP Status Reference
Look up HTTP status codes and meanings.
HTTP Status Reference is a free online developer tool in DevKit’s Network / HTTP collection. Look up HTTP status codes and meanings. It runs entirely in your browser — no login and no uploads — so your input stays private. Search keywords: http, status, response, code.
What you can do
- Look up HTTP status codes and meanings
- Runs locally in your browser
- Related terms: http, status, response, code
Category: Network / HTTP
- http
- status
- response
- code
DevKit runs in your browser. No login, no paywall, and nothing is uploaded to a server.
Look up HTTP status codes and meanings.
Network / HTTPMIME Type Lookup
MIME Type Lookup
Look up content types by extension or MIME value.
MIME Type Lookup is a free online developer tool in DevKit’s Network / HTTP collection. Look up content types by extension or MIME value. It runs entirely in your browser — no login and no uploads — so your input stays private. Search keywords: mime, content-type, extension.
What you can do
- Look up content types by extension or MIME value
- Runs locally in your browser
- Related terms: mime, content-type, extension
Category: Network / HTTP
- mime
- content-type
- extension
DevKit runs in your browser. No login, no paywall, and nothing is uploaded to a server.
Look up content types by extension or MIME value.
Network / HTTPUser-Agent Parser
User-Agent Parser
Inspect browser, engine, OS, device, and CPU hints.
User-Agent Parser is a free online developer tool in DevKit’s Network / HTTP collection. Inspect browser, engine, OS, device, and CPU hints. It runs entirely in your browser — no login and no uploads — so your input stays private. Search keywords: user-agent, browser, device, os.
What you can do
- Inspect browser, engine, OS, device, and CPU hints
- Runs locally in your browser
- Related terms: user-agent, browser, device, os
Category: Network / HTTP
- user-agent
- browser
- device
- os
DevKit runs in your browser. No login, no paywall, and nothing is uploaded to a server.
Inspect browser, engine, OS, device, and CPU hints.
Network / HTTPCIDR / Subnet Calculator
CIDR / Subnet Calculator
Calculate network range, mask, and host capacity.
CIDR / Subnet Calculator is a free online developer tool in DevKit’s Network / HTTP collection. Calculate network range, mask, and host capacity. It runs entirely in your browser — no login and no uploads — so your input stays private. Search keywords: cidr, subnet, network, mask.
What you can do
- Calculate network range, mask, and host capacity
- Runs locally in your browser
- Related terms: cidr, subnet, network, mask
Category: Network / HTTP
- cidr
- subnet
- network
- mask
DevKit runs in your browser. No login, no paywall, and nothing is uploaded to a server.
Calculate network range, mask, and host capacity.
Network / HTTPIP Validator
IP Validator
Validate and classify IPv4 and IPv6 addresses.
IP Validator is a free online developer tool in DevKit’s Network / HTTP collection. Validate and classify IPv4 and IPv6 addresses. It runs entirely in your browser — no login and no uploads — so your input stays private. Search keywords: ip, ipv4, ipv6, private.
What you can do
- Validate and classify IPv4 and IPv6 addresses
- Runs locally in your browser
- Related terms: ip, ipv4, ipv6, private
Category: Network / HTTP
- ip
- ipv4
- ipv6
- private
DevKit runs in your browser. No login, no paywall, and nothing is uploaded to a server.
Validate and classify IPv4 and IPv6 addresses.
Network / HTTPcURL → fetch
cURL → fetch
Convert a common cURL request into browser fetch code.
cURL → fetch is a free online developer tool in DevKit’s Network / HTTP collection. Convert a common cURL request into browser fetch code. It runs entirely in your browser — no login and no uploads — so your input stays private. Search keywords: curl, fetch, http, convert.
What you can do
- Convert a common cURL request into browser fetch code
- Runs locally in your browser
- Related terms: curl, fetch, http, convert
Category: Network / HTTP
- curl
- fetch
- http
- convert
DevKit runs in your browser. No login, no paywall, and nothing is uploaded to a server.
Convert a common cURL request into browser fetch code.
Network / HTTPHTTP Header Reference
HTTP Header Reference
Search common request and response headers.
HTTP Header Reference is a free online developer tool in DevKit’s Network / HTTP collection. Search common request and response headers. It runs entirely in your browser — no login and no uploads — so your input stays private. Search keywords: http, headers, request, response.
What you can do
- Search common request and response headers
- Runs locally in your browser
- Related terms: http, headers, request, response
Category: Network / HTTP
- http
- headers
- request
- response
DevKit runs in your browser. No login, no paywall, and nothing is uploaded to a server.
Search common request and response headers.
Network / HTTPURL Normalizer
URL Normalizer
Normalize hosts, ports, paths, and query ordering.
URL Normalizer is a free online developer tool in DevKit’s Network / HTTP collection. Normalize hosts, ports, paths, and query ordering. It runs entirely in your browser — no login and no uploads — so your input stays private. Search keywords: url, normalize, canonical.
What you can do
- Normalize hosts, ports, paths, and query ordering
- Runs locally in your browser
- Related terms: url, normalize, canonical
Category: Network / HTTP
- url
- normalize
- canonical
DevKit runs in your browser. No login, no paywall, and nothing is uploaded to a server.
Normalize hosts, ports, paths, and query ordering.
Network / HTTP