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Engineering Tools Directory

Browse, search, and sort our complete suite of 66 production-grade tools.

85ATS SCORE
240K uses

Resume / ATS Score CheckerAI

Analyze your resume against ATS requirements. Receive a detailed score (0-100) and structured tips for success.

AI EnginesLaunch
{}
{ status: 200 }
[data: array]
(cache: hit)
{ id: 4501 }
{ type: 'json' }
{ status: 200 }
[data: array]
(cache: hit)
{ id: 4501 }
{ type: 'json' }
120K uses

JSON Formatter & Validator

Format, validate, beautify, and minify your JSON data in real-time with instant syntax error highlighting.

DeveloperLaunch
190K uses

AI Resume RoasterAI

Upload your resume and get a witty, brutal, and hilarious roast from our AI detailing design and wording flaws.

AI EnginesLaunch
108K uses

JSON to TypeScript Interface

Generate copyable TypeScript interface typings from standard JSON structure schemas.

ConvertersLaunch
SHA-256
550e8400
f81d-4030
9a21-4562
e3b8-6872
SHA-256
550e8400
f81d-4030
115K uses

Password Generator & Strength Meter

Generate cryptographically secure random passwords and view real-time strength/entropy estimations.

DeveloperLaunch
102K uses

CSS Box Shadow Generator

Visually build CSS box-shadow properties with offset, blur, spread, and color sliders.

MediaLaunch
110K uses

QR Code Generator

Generate highly customizable, high-resolution QR codes for URLs, contact details, or text, and download them instantly.

MediaLaunch
105K uses

Text Diff Checker

Compare two text blocks side-by-side and highlight additions and deletions line-by-line in real-time.

DeveloperLaunch
95K uses

cURL to Fetch Converter

Convert raw cURL CLI requests into browser-compatible JavaScript fetch() scripts.

ConvertersLaunch
UTF-8
B64 / URL
98K uses

JWT Debugger & Parser

Decode JSON Web Tokens instantly to check and parse Header, Payload, and Signature metadata fields.

DeveloperLaunch
UTF-8
B64 / URL
112K uses

Unix Epoch Timestamp Converter

Translate Unix epoch timestamps (seconds/ms) to human-readable dates, and dates back to timestamps.

ConvertersLaunch
96K uses

Glassmorphism CSS Generator

Create premium glassmorphic UI design code using backdrop blur, opacity sliders, and borders.

MediaLaunch
85K uses

Regex Tester & Visualizer

Write and test regular expressions in real-time with highlight match visualization and capture groups.

DeveloperLaunch
88K uses

CSS Gradient Generator

Design linear gradients with dual color picker stops and angles, and output clean copyable CSS style code.

MediaLaunch
90K uses

RegEx Cheat Sheet & Generator

Copy common regex tokens, anchors, and brackets with an interactive regex sandbox testing block.

DeveloperLaunch
UTF-8
B64 / URL
84K uses

JWT Generator & Signer

Tweak Header, Payload, and secret parameters to compile mock encoded JWT tokens.

DeveloperLaunch
SHA-256
550e8400
f81d-4030
9a21-4562
e3b8-6872
SHA-256
550e8400
f81d-4030
94K uses

UUID / GUID Batch Generator

Generate batches of standard version 4 UUIDs instantly, with customization options for uppercase characters and hyphens.

DeveloperLaunch
80K uses

JSON to YAML Converter

Convert JSON configuration objects into clean, indentation-structured YAML files instantly.

ConvertersLaunch
# Header
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83K uses

HTML Sandbox & Live Previewer

Write HTML markup, apply inline CSS styling rules, and preview layout rendering outputs in an iframe.

MediaLaunch
UTF-8
B64 / URL
77K uses

Crontab Expression Descriptor

Translate space-separated crontab schedule expressions into human-readable English text summaries.

DeveloperLaunch
76K uses

Base64 Image Decoder & Previewer

Convert encoded base64 image strings into full visual image previews with metadata metrics.

MediaLaunch
UTF-8
B64 / URL
75K uses

Base64 Encoder & Decoder

Instantly encode text into Base64 format, or decode Base64 strings back to standard human-readable UTF-8.

ConvertersLaunch
UTF-8
B64 / URL
91K uses

Number Base Converter

Convert numeric strings between Decimal, Binary, Octal, and Hexadecimal representations.

ConvertersLaunch
84K uses

Placeholder Image Generator

Formulate customizable placeholder SVG image files and inline source Data URLs.

MediaLaunch
73K uses

Color Contrast WCAG Checker

Evaluate foreground and background color combinations against WCAG accessibility rules.

MediaLaunch
# Header
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*italic*
> quote
78K uses

Live Markdown Previewer

Write Markdown code in the live editor and instantly preview the formatted layout output side-by-side.

MediaLaunch
72K uses

YAML to JSON Converter

Convert nested YAML configuration blocks back to standard stringified JSON configurations.

ConvertersLaunch
UTF-8
B64 / URL
79K uses

URL Parser & Query Debugger

Dissect a URL string into protocol, host, port, path, and extract a query parameters list.

DeveloperLaunch
65K uses

YAML to TOML Converter

Convert indentation-structured YAML parameters to config TOML keys and section headers.

ConvertersLaunch
67K uses

Viewport & Screen Resolution Inspector

Measure active client window widths, heights, pixel density ratio, and orientation metrics.

DeveloperLaunch
$£¥
60K uses

Unit & Currency Converter

Convert physical dimensions (length, mass, temp) and fetch real-time exchange rates for global currencies.

ConvertersLaunch
UTF-8
B64 / URL
54K uses

Hex to RGB / RGB to Hex

Convert colors between Hexadecimal codes and RGB/RGBA channels, with a live background visual preview.

ConvertersLaunch
56K uses

JSON to CSV / CSV to JSON

Convert flat JSON arrays to CSV lists and CSV datasets back to formatted JSON arrays.

ConvertersLaunch
# Header
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*italic*
> quote
69K uses

HTML to Markdown Converter

Translate markup tags and nested HTML blocks back into standard Markdown files.

ConvertersLaunch
56K uses

Bcrypt Password Verifier

Verify password strings against standard bcrypt hashes in an interactive sandbox.

DeveloperLaunch
70K uses

CSS Border Radius Generator

Visually design and preview custom CSS border-radius rules and export them as copyable styles.

MediaLaunch
SHA-256
550e8400
f81d-4030
9a21-4562
e3b8-6872
SHA-256
550e8400
f81d-4030
68K uses

Cryptographic Hash Generator

Generate SHA-1, SHA-256, and SHA-512 hashes instantly from input text strings using browser Web Crypto APIs.

DeveloperLaunch
63K uses

Word & Character Counter

Analyze paragraphs to count characters, words, sentences, and compute average reading speeds.

DeveloperLaunch
54K uses

Text Line Sorter & Cleaner

Clean lists: sort alphabetically or by size, deduplicate lines, and prune empty spaces.

DeveloperLaunch
61K uses

TOML to YAML Converter

Translate config TOML values back into clean space-indented YAML configurations.

ConvertersLaunch
52K uses

JSON to TOML Converter

Convert JSON configuration objects to structured, clean TOML documents instantly.

ConvertersLaunch
58K uses

SQL Formatter & Beautifier

Clean up messy SQL queries. Formats keywords, indents logical conditions, and structures commands automatically.

DeveloperLaunch
52K uses

User Agent Parser

Analyze user agent strings to extract OS, browser type, and layout rendering engines.

DeveloperLaunch
49K uses

JSON to XML Converter

Map nested JSON keys and array grids to structured, readable XML strings.

ConvertersLaunch
48K uses

DNS Record Lookup

Query and view standard DNS records (A, AAAA, MX, TXT) for any host or domain address.

DeveloperLaunch
49K uses

TOML to JSON Converter

Translate TOML configuration values back into standard formatted JSON hierarchies.

ConvertersLaunch
UTF-8
B64 / URL
62K uses

URL Encoder & Decoder

Convert strings into safe percent-encoded URL formats, or decode query parameters back to original values.

ConvertersLaunch
58K uses

URL Slug Generator

Transform alphanumeric sentences into clean, lowercase, URL-friendly slugs.

DeveloperLaunch
47K uses

XML to JSON Converter

Convert XML data documents back into clean, parsed JSON hierarchies.

ConvertersLaunch
+÷×
55K uses

IP Subnet Calculator

Calculate network addresses, subnet masks, broadcast addresses, and usable host ranges for any CIDR block.

DeveloperLaunch
UTF-8
B64 / URL
49K uses

Text Case Converter

Change text cases instantly to UPPERCASE, lowercase, Title Case, camelCase, snake_case, or kebab-case.

DeveloperLaunch
44K uses

Base64 Size & Overhead Analyzer

Compute original raw sizes and measure overhead increase percentages of base64 codes.

DeveloperLaunch
41K uses

Caesar Cipher Encoder & Decoder

Encode or decode messages using a shift-based Caesar cipher algorithm.

ConvertersLaunch
# Header
**bold**
*italic*
> quote
40K uses

Lorem Ipsum Text Generator

Create batches of random dummy paragraphs, sentences, or word strings from a standard Latin corpus.

MediaLaunch
+÷×
41K uses

Number to Words Translator

Translate numeric integers into their formal English words representations.

ConvertersLaunch
42K uses

XML Formatter & Beautifier

Format, structure, and indent raw XML strings with proper tag indents and clean spacing.

DeveloperLaunch
41K uses

String Utility & Text Stripper

Prune whitespaces, replace substring matches, and strip duplicate newlines globally.

DeveloperLaunch
# Header
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*italic*
> quote
38K uses

Lorem Code Snippet Generator

Generate dummy code structures in JS, Python, HTML, or SQL for developer visual testing.

MediaLaunch
39K uses

IP Ping Latency Test

Simulate and measure network connectivity and ICMP response latency to any destination host.

DeveloperLaunch
38K uses

Morse Code Translator

Translate Latin characters to Morse code sequences (dots/dashes) and translate Morse back to text.

ConvertersLaunch
# Header
**bold**
*italic*
> quote
33K uses

Lorem HTML List Generator

Assemble mockup ordered or unordered HTML list templates with random items.

MediaLaunch
UTF-8
B64 / URL
44K uses

HTML Entity Encoder & Decoder

Safely escape special characters like <, >, & into XML/HTML entities, or translate entity codes back to characters.

DeveloperLaunch
UTF-8
B64 / URL
36K uses

String Hex Encoder & Decoder

Translate string characters into space-separated hexadecimal bytes and back.

ConvertersLaunch
34K uses

Fibonacci Sequence Generator

Generate and display Fibonacci sequences up to 50 terms instantly.

DeveloperLaunch
31K uses

Prime Number Tester

Verify if a number is prime and compute its prime factorization list instantly.

ConvertersLaunch
UTF-8
B64 / URL
28K uses

Base32 Encoder & Decoder

Convert alphanumeric texts to Base32 representation formats, and decode them back safely.

ConvertersLaunch