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44 tools

Developer Tools

Everyday developer utilities for data, encoding, and passwords.

Base64 Encoder

Encode text to Base64.

Developerbase64encoder
Case Converter

Convert text case and make slugs.

Developercase converteruppercase
Character Counter

Count characters and words.

Developercharacter counterword counter
JSON Formatter

Format and validate JSON.

Developerjsonformatter
Lowercase Converter

Convert text to lowercase.

Developerlowercase convertersmall letters
Password Generator

Generate strong random passwords.

Developerpasswordsecurity
Reading Time Calculator

Estimate reading time.

Developerreading time calculatorword count
Sentence Case Converter

Convert text to sentence case.

Developersentence case convertercase converter
Slug Generator

Generate URL slugs.

Developerslug generatorurl slug
Text Case Converter

Change text case online.

Developertext case convertercase converter
Title Case Converter

Convert text to title case.

Developertitle case convertercase converter
Uppercase Converter

Convert text to uppercase.

Developeruppercase converterconvert to caps
URL Encoder Decoder

Encode or decode URL text.

Developerurlencoding
Word Counter

Count words, characters, and reading time.

Developertextwriting
UUID Generator

Generate UUID-style identifiers for development and testing.

Developeruuid generatordeveloper
Timestamp Converter

Convert Unix timestamps and readable dates for debugging.

Developertimestamp converterdeveloper
Epoch Time Calculator

Calculate epoch seconds or milliseconds from date details.

Developerepoch time calculatordeveloper
Unix Time Now

Show current Unix time values for quick reference.

Developerunix time nowdeveloper
JWT Decoder

Decode JWT header and payload safely without verifying secrets.

Developerjwt decoderdeveloper
URL Parser

Parse a URL into protocol, host, path, query, and hash parts.

Developerurl parserdeveloper
Query String Builder

Build a query string from key-value pairs.

Developerquery string builderdeveloper
Query String Parser

Parse query parameters from a pasted URL.

Developerquery string parserdeveloper
Regex Tester

Test a regular expression against sample text.

Developerregex testerdeveloper
Regex Escape Tool

Escape text so it can be used safely inside a regex.

Developerregex escape tooldeveloper

Popular Developer Tools

Start with the tools people most commonly use in this category.

About Developer Tools

Useful context before you rely on any result.

Developer utilities help with everyday formatting, encoding, and security-adjacent tasks that come up while building or debugging software. The tools in this category are intentionally small and fast, so you can paste input, get a result, and continue working without opening a heavy application.

Use the JSON Formatter to validate and read API payloads, the Base64 Encoder to test simple encoding behavior, and the Password Generator to create stronger random passwords. Each tool includes notes about what it does and what it does not do, because developer tools can be misused when their limitations are not clear.

For sensitive work, be careful with what you paste into any browser tool. These utilities are designed to run client-side, but you should still avoid entering production secrets, access tokens, private customer data, or confidential source material. Use them for quick checks, learning, and low-risk formatting tasks.

Developer utilities are most valuable when they reduce small interruptions. Formatting JSON can make an API response readable in seconds. Encoding a test string can help verify integration behavior. Generating a random password can support safer account creation. The goal is not to replace a full IDE or security tool, but to make common checks faster.

Each developer page includes practical warnings because the same utility can be safe or risky depending on the input. Base64 should not be mistaken for encryption, JSON validation should not be used to expose confidential data, and generated passwords should be stored securely. Clear limitations help build user trust while keeping the tools simple.

The best developer tools are predictable. They should load quickly, avoid unnecessary tracking of input values, preserve user focus, and make the output easy to copy, compare, or inspect. This category is structured around that principle.

You can also browse all tools or jump to related categories like Finance, Health, Education.

Developer Tools FAQ

Common questions about using this category.

Can I paste secrets into developer tools?

Avoid pasting secrets, tokens, or private data into any online tool.

Is Base64 encryption?

No. Base64 is reversible encoding.

Does the JSON formatter change my data?

It formats valid JSON for readability but does not intentionally change the data values.