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Tools

Browse all validators, encoders, hash generators, network utilities, and developer tools from one place. Search by tool name or description, then jump into the category you need.

Total Tools 25
Categories 6
Hub Type Grouped Search
25 tools available
Validators Encoding and Text Hash and Security Network Utilities Utilities Developer Tools
No tools matched your search. Try a broader keyword like `validator`, `hash`, `network`, `diff`, or `API`.

Validators

Explore validators available in the WithoutBook tools hub.

5
HTML

HTML Validator

html_validator.php

Validate and preview HTML online.

Validators
{ }

JSON Validator

json_validator.php

Validate and format JSON online.

Validators
XML

XML Validator

xml_validator.php

Validate and format XML online.

Validators
PHP

PHP Validator

php_validator.php

Validate and format PHP online.

Validators
.*

Regex Validator

regex_validator.php

Test regex matches and replacements.

Validators

Encoding and Text

Explore encoding and text available in the WithoutBook tools hub.

2
B64

Base Encoder and Decoder

base_encoder_decoder.php

Encode and decode Base64 text.

Encoding and Text
URL

URL Encoder and Decoder

url_encoder_decoder.php

Encode and decode URL-safe text.

Encoding and Text

Hash and Security

Explore hash and security available in the WithoutBook tools hub.

4
MD5

MD5 Hash Generator

md5_hash_generator.php

Generate MD5 hashes from text or files.

Hash and Security
SHA

SHA256 Hash Generator

sha256_hash_generator.php

Generate SHA256 hashes from text or files.

Hash and Security
BC

BCrypt Generator

bcrypt_generator.php

Generate and verify BCrypt password hashes.

Hash and Security
JWT

JWT Encoder and Decoder

jwt_encoder_decoder.php

Encode and decode JWT tokens.

Hash and Security

Network Utilities

Explore network utilities available in the WithoutBook tools hub.

10
PING

Ping

ping.php

Show how long packets take to reach a host.

Network Utilities
DNS

DNS Lookup

dns_lookup.php

Look up DNS records for a domain.

Network Utilities
WHO

WHOIS

whois_lookup.php

List WHOIS contact info for a domain or IP.

Network Utilities
TCP

Port Check

port_check.php

Test whether a TCP port is open.

Network Utilities
PTR

Reverse Lookup

reverse_lookup.php

Get hostname by IP address.

Network Utilities
PRX

Proxy Checker

proxy_checker.php

Detect possible proxy indicators.

Network Utilities
Mbps

Bandwidth Meter

bandwidth_meter.php

Estimate your download speed from our server.

Network Utilities
CIDR

Network Calculator

network_calculator.php

Calculate subnet range by network mask.

Network Utilities
MASK

Network Mask Calculator

network_mask_calculator.php

Calculate network mask by host range.

Network Utilities
GEO

Country by IP

country_by_ip.php

Detect country by IP or hostname.

Network Utilities

Utilities

Explore utilities available in the WithoutBook tools hub.

1
UNIT

Unit Converter

unit_converter.php

Convert values from one unit to another.

Utilities

Developer Tools

Explore developer tools available in the WithoutBook tools hub.

3
DIFF

Diff Checker

diff_checker.php

Compare text, code, and scripts with side-by-side line diffs.

Developer Tools
FMT

Code Beautify

code_beautify.php

Beautify code and markup for multiple languages.

Developer Tools
API

API Tester

api_tester.php

Send HTTP requests and inspect API responses.

Developer Tools
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