Programmatic SEO Guide

Browser Tools for Developers

Ship fixes faster by keeping your debugging helpers in one tab. This collection curates the tools engineers reach for every day: format noisy JSON payloads, decode Base64 strings, pull apart JWTs, inspect response headers, and generate UUIDs for integration tests. Everything stays local to your browser session, so production data never leaks.

Use the featured toolkit for common incident response flows, then scan the full grid for specialized helpers like YAML converters or timestamp calculators. Share links with QA, product, or customer success so everyone can verify payloads without cloning repos or setting up CLIs.

Browse the Developer Tools category →Best Free SEO Tools Tools for Students

Featured Developer Utilities

Your fastest path to diagnose APIs, payloads, and integration issues.

HTTP Header Checker

Fetch and inspect HTTP response headers to debug caching, redirects, and security settings.

Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 back to plain text instantly.

JSON Formatter

Format, validate, beautify, or minify JSON with error badges, sorting, and privacy-safe processing.

UUID Generator

Generate random UUID v4 identifiers instantly. Bulk generation supported.

Regex Tester

Test and debug regular expressions with live match results.

JWT Decoder

Decode and inspect JSON Web Tokens (JWT) to view header, payload, and signature.

URL Parser

Parse and break down URLs into protocol, host, path, query parameters, and fragment.

YAML to JSON

Convert YAML configuration files to JSON format.

All Developer-Friendly Tools

Explore the broader toolbox covering encoding, security, and debugging helpers used during code reviews and on-call rotations.

Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 back to plain text instantly.

Password Generator

Generate secure, random passwords with custom length and character options.

MD5 Hash Generator

Generate MD5 hash from any text instantly. Free, fast, and browser-based.

SHA256 Hash Generator

Generate SHA-256, SHA-1, and SHA-512 hashes from any text instantly.

JSON Formatter

Format, validate, beautify, or minify JSON with error badges, sorting, and privacy-safe processing.

Text to Binary

Convert text to binary code or binary back to text instantly.

Text to Hex

Convert text to hexadecimal or hex back to readable text.

HTML Entity Encoder

Encode special characters to HTML entities or decode entities back to text.

Regex Tester

Test and debug regular expressions with live match results.

SHA1 Hash Generator

Generate SHA-1 hash from any text using the Web Crypto API.

ROT13 Encoder/Decoder

Encode text to ROT13 or decode ROT13 text back to plain text instantly.

HTML Escape/Unescape

Escape special HTML characters to entities or unescape HTML entities back to plain text.

JS String Escape

Escape or unescape JavaScript strings. Handle newlines, quotes, backslashes, and Unicode escapes.

SHA-512 Hash Generator

Generate SHA-512 hashes from text or files instantly.

Morse Code Converter

Convert text to Morse code and decode Morse code back to text. Supports A-Z, 0-9, and punctuation.

Text to ASCII Codes

Convert text to ASCII or Unicode code points in decimal, hex, binary, or octal. Reverse conversion too.

JWT Decoder

Decode and inspect JSON Web Tokens (JWT) to view header, payload, and signature.

Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa.

URL Parser

Parse and break down URLs into protocol, host, path, query parameters, and fragment.

Base64 Image Encoder

Convert images to Base64-encoded data URIs for embedding in HTML and CSS.

Color Converter

Convert colors between HEX, RGB, and HSL formats with a live preview.

Base64 Encode

Encode text or binary data to Base64 format instantly.

Base64 Decode

Decode Base64 strings back into their original text or binary data.

URL Encode

Convert unsafe URL characters into percent-encoded values.

URL Decode

Decode percent-encoded URLs back to readable form.

JSON Minifier

Compress JSON by removing whitespace and formatting.

JSON Pretty Print

Format and beautify JSON with proper indentation and syntax highlighting.

YAML to JSON

Convert YAML configuration files to JSON format.

JSON to YAML

Convert JSON data to YAML format for configuration files.

XML to JSON

Convert XML documents to JSON format for easier processing.

JSON to XML

Convert JSON data to XML format for legacy system integration.

Regex Generator

Generate regular expressions from plain English descriptions.

HTML Entity Encode

Convert special characters into HTML-safe entities.

HTML Entity Decode

Decode HTML entities back to readable characters.

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa.

SHA256 Generator

Generate SHA256 hashes from text or files instantly.

SHA1 Generator

Generate SHA1 hashes for legacy systems and checksums.

MD5 Generator

Generate MD5 hashes for checksums and quick verifications.

Password Strength Checker

Check password strength and get security recommendations.

BCrypt Generator

Generate BCrypt hashes for secure password storage.

Random Password Generator

Generate strong, secure passwords with customizable options.

PDF to Text Converter

Extract text content from PDF files directly in your browser.

Excel to JSON

Convert Excel spreadsheets to JSON format in your browser.

JSON to Excel

Convert JSON arrays to downloadable Excel spreadsheets in your browser.

DNS Lookup Tool

Look up DNS records for any domain using Google Public DNS.