https://http.cat/[status_code]
Note: If you need an extension at the end of the URL just add .jpg.
.jpg
100
Continue
101
Switching Protocols
102
Processing
103
Early Hints
200
OK
201
Created
202
Accepted
203
Non-Authoritative Information
204
No Content
205
Reset Content
206
Partial Content
207
Multi-Status
208
Already Reported
214
Transformation Applied
226
IM Used
300
Multiple Choices
301
Moved Permanently
302
Found
303
See Other
304
Not Modified
305
Use Proxy
307
Temporary Redirect
308
Permanent Redirect
400
Bad Request
401
Unauthorized
402
Payment Required
403
Forbidden
404
Not Found
405
Method Not Allowed
406
Not Acceptable
407
Proxy Authentication Required
408
Request Timeout
409
Conflict
410
Gone
411
Length Required
412
Precondition Failed
413
Payload Too Large
414
Request-URI Too Long
415
Unsupported Media Type
416
Request Range Not Satisfiable
417
Expectation Failed
418
I’m a teapot
419
Page Expired
420
Enhance Your Calm
421
Misdirected Request
422
Unprocessable Entity
423
Locked
424
Failed Dependency
425
Too Early
426
Upgrade Required
428
Precondition Required
429
Too Many Requests
431
Request Header Fields Too Large
444
No Response
450
Blocked by Windows Parental Controls
451
Unavailable For Legal Reasons
495
SSL Certificate Error
496
SSL Certificate Required
497
HTTP Request Sent to HTTPS Port
498
Token expired/invalid
499
Client Closed Request
500
Internal Server Error
501
Not Implemented
502
Bad Gateway
503
Service Unavailable
504
Gateway Timeout
506
Variant Also Negotiates
507
Insufficient Storage
508
Loop Detected
509
Bandwidth Limit Exceeded
510
Not Extended
511
Network Authentication Required
521
Web Server Is Down
522
Connection Timed Out
523
Origin Is Unreachable
525
SSL Handshake Failed
530
Site Frozen
599
Network Connect Timeout Error
Developed by @rogeriopvl
Original Images by Tomomi Imura (@girlie_mac)