JSON Tools
JSON Formatter
Format, validate, and beautify JSON with syntax highlighting.
Open ToolOnline Developer Tools
Online tools are at their best when they’re instant, predictable, and safe. In practice, that means quick load times, clear outputs, and minimal copy/paste overhead—especially when you’re debugging production issues or working through an incident.
DevToolDock provides online developer tools that run in your browser for everyday tasks: JSON formatting and conversion, regex testing, Base64 encoding/decoding, URL utilities, and security helpers like JWT decoding. These tools are designed to help you move from “I see the problem” to “I fixed it” quickly.
Use this page as an entry point, then explore the full directory on /tools and /all-tools to find specialized utilities.
For SEO-focused workflows, it helps to think in “problem categories”: data formatting (JSON), text validation (regex), encoding (Base64/URL), and security debugging (JWT). DevToolDock groups tools by category so you can quickly jump to the right utility without scanning hundreds of unrelated results.
Tools included
JSON Tools
JSON Validator
Validate JSON syntax and get clear error messages.
Open ToolJSON Tools
JSON to CSV
Convert JSON array to CSV format.
Open ToolJSON Tools
CSV to JSON
Convert CSV text to JSON array.
Open ToolJSON Tools
JSON to XML
Convert JSON to XML format.
Open ToolJSON Tools
JSON Minifier
Minify JSON by removing whitespace and newlines.
Open ToolJSON Tools
JSON Pretty Print
Format JSON with indentation for readability.
Open ToolEncoding Tools
Base64 Encoder
Encode text to Base64.
Open ToolEncoding Tools
Base64 Decoder
Decode Base64 to text.
Open ToolURL Tools
URL Encoder
Encode text for use in URLs.
Open ToolURL Tools
URL Decoder
Decode URL-encoded text.
Open ToolEncoding Tools
HTML Encoder
Encode text to HTML entities.
Open ToolEncoding Tools
HTML Decoder
Decode HTML entities to text.
Open ToolSecurity Tools
JWT Decoder
Decode and inspect JWT header and payload.
Open ToolSecurity Tools
UUID Generator
Generate UUID v4 identifiers.
Open ToolSecurity Tools
UUID Validator
Validate UUID strings (v1–v5).
Open ToolSecurity Tools
Password Generator
Generate secure random passwords.
Open ToolSecurity Tools
SHA256 Generator
Compute SHA-256 hash of text.
Open ToolSecurity Tools
MD5 Generator
Compute MD5 hash of text.
Open ToolText Tools
Regex Tester
Test regular expressions and highlight matches.
Open ToolText Tools
Regex Generator
Generate regular expressions from common patterns.
Open ToolText Tools
Regex Explainer
Explain regular expressions in plain language.
Open ToolText Tools
Text Diff Checker
Compare two texts and see differences.
Open ToolText Tools
Remove Duplicate Lines
Remove duplicate lines from text.
Open ToolText Tools
Sort Text Lines
Sort lines of text alphabetically.
Open ToolText Tools
Word Counter
Count words, characters, and lines.
Open ToolText Tools
Case Converter
Convert text to camelCase, snake_case, kebab-case, and more.
Open ToolText Tools
Slug Generator
Generate URL-friendly slugs from text.
Open ToolText Tools
Random String Generator
Generate random strings with configurable charset.
Open ToolText Tools
Lorem Ipsum Generator
Generate placeholder lorem ipsum text.
Open ToolText Tools
JSON Diff Viewer
Compare two JSON objects and show differences.
Open ToolURL Tools
URL Parser
Parse a URL into components and query params.
Open ToolURL Tools
Query String Parser
Parse query strings into key/value pairs.
Open ToolURL Tools
UTM Link Generator
Generate UTM-tracked URLs for campaigns.
Open ToolText Tools
Text Reverser
Reverse text by characters or by lines.
Open ToolText Tools
Random Text Generator
Generate random words/sentences for test data.
Open ToolSecurity Tools
bcrypt Generator
Generate bcrypt hashes in the browser for testing.
Open ToolSecurity Tools
JWT Generator
Create a signed JWT (HS256) from header/payload.
Open ToolSecurity Tools
Hash Compare
Compare text vs a hash using common algorithms.
Open ToolSecurity Tools
Checksum Generator
Generate checksums (SHA-256 / MD5) for text.
Open ToolSecurity Tools
Random Token Generator
Generate secure random tokens for testing.
Open ToolCommon use cases
- Investigate a broken integration by formatting a webhook payload and validating JSON.
- Diagnose authentication failures by decoding JWT claims (expiry, audience, issuer).
- Debug URL encoding issues in query strings and redirect URLs.
- Test regex validation rules before shipping them into production.
- Convert data between formats (JSON ↔ YAML/CSV/XML) for faster analysis and documentation.
Final thoughts
A dependable set of online tools removes friction from the most common debugging tasks. With DevToolDock, you can keep your workflow in the browser and still get high-quality outputs.
For more options, browse by category or jump directly to a specific tool from the list above.
If you frequently share snippets with teammates, using consistent tools also makes collaboration easier: everyone sees the same formatted output and follows the same debugging steps.