Data Formats & Structures
6 tools
Data Formats & Structures
JSON Formatter & Validator
Format, validate, and beautify your JSON code instantly. Shows detailed syntax errors with line and column to...
JSON to Excel / CSV Converter & Secure
Convert JSON arrays and objects to Excel spreadsheets or RFC 4180 CSV files online. 100% secure client-side...
JSON to YAML and YAML to JSON Converter
Convert structured data formats between JSON and YAML in real-time. 100% secure client-side browser conversion.
SQL Formatter & Beautifier
Format, beautify, and minify complex SQL queries for MySQL, PostgreSQL, and SQLite to improve database code...
XML / HTML Minifier & Beautifier
Optimize web loading speeds by minifying or beautifying with hierarchical indentation your XML and HTML...
CSV Cleaner & Normalizer
Clean, trim spaces, remove duplicate rows, and normalize delimiters in CSV files prior to importing into databases.
Encoding & Security
7 tools
Encoding & Security
MD5, SHA-1, SHA-256 & SHA-512 Hash Generator
Calculate cryptographic hash checksums (MD5, SHA-1, SHA-256, SHA-512) for text entirely in your browser.
Batch UUID v4 & v7 Generator
Generate random UUID v4 and timestamp-ordered UUID v7 unique identifiers in bulk compliance with RFC 9562.
Secure Random Password Generator
Generate strong, random passwords to protect your accounts and databases. Customize length, uppercase...
JSON Web Token (JWT) Decoder & Inspector
Decode and inspect JWT Header and Payload 100% locally in your browser. Review temporal claims such as exp...
Base64 Converter: Encode Images & Files to Data URI
Encode images and files to Base64 Data URI to embed them inline in HTML or CSS and eliminate extra HTTP...
URL Encoder and Decoder
Percent-encode and decode URL components and UTF-8 text directly in your browser, with instant copy and no...
HTML Entities Encoder & Decoder
Encode special characters to standard HTML entities (<, >, &, ", ') or decode entities...
CSS & Frontend Web
4 tools
CSS & Frontend Web
PX to REM and EM Converter
Convert pixels (PX) to REM and EM units instantly. Custom base font size for responsive CSS web design.
Visual CSS Box-Shadow & Drop-Shadow Generator
Design modern CSS box shadows, glow effects, multi-layer shadows, and inset shadows with live preview and...
WCAG 2.1 Color Contrast Checker
Calculate accessibility contrast ratio between foreground text and background colors to meet WCAG 2.1 AA and...
Markdown to HTML Converter with Live Preview
Convert Markdown text syntax to clean, semantic HTML code in real time with side-by-side live rendering.
Server, DevOps & Backend
7 tools
Server, DevOps & Backend
Crontab Generator & Expression Explainer
Visually build and explain crontab schedule expressions for Linux task automation. Get plain text...
.htaccess & Nginx Generator: Gzip, Cache, HTTPS, Proxy
Visually generate optimized Apache (.htaccess) and Nginx server rules: Gzip compression, browser cache, force...
.htaccess to Nginx Converter
Convert Apache .htaccess RewriteRules, 301 redirects, and HTTP headers to Nginx location and rewrite server...
CORS Headers Inspector & Cross-Origin AJAX Debugger
Inspect Access-Control-Allow-Origin API responses and fix Cross-Origin Resource Sharing (CORS) errors for...
WordPress Database Cleaner: Remove Revisions & Transients
Generate SQL queries to safely clean your WordPress or PrestaShop database: post revisions, expired...
Unix Timestamp & Epoch Seconds to Date Converter
Convert Unix timestamps and epoch seconds to human readable dates in real time. Instant bi-directional...
Regular Expression (RegEx) Tester & Debugger
Test and debug your regular expressions in real-time. Interactive explanation of RegEx patterns for JS, PHP...
Binary, Hex & Storage Units
3 tools
Binary, Hex & Storage Units
Number Base Converter
Instant multi-base converter for binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base...
Binary and Hexadecimal Calculator
Online calculator for binary, hexadecimal, decimal, and octal numbers. Perform addition, subtraction...
Data Storage Unit Converter (Bytes, KB, MB, GB, TB)
Convert file size measurements between bytes, KB, MB, GB, and TB with visual comparisons of real-world capacities.
Text & Productivity
8 tools
Text & Productivity
Code Beautifier & Formatter
Indent, clean and format messy or minified JSON, CSS, HTML and JavaScript code online. Fast, secure and free.
Text & Code Diff Tool
Compare two blocks of code or text in real-time line-by-line. Highlight added, deleted, and modified lines...
Email & URL Extractor — Extract Emails and Links from Text
Extract and deduplicate email addresses and HTTP/HTTPS web links from unstructured text. Processed locally in...
Uppercase to Lowercase Text Converter
Convert text from uppercase to lowercase, lowercase to UPPERCASE, sentence case, and capitalize words...
Word Counter & Keyword Density Analyzer
Count characters, words and paragraphs in real time. Analyze keyword frequency and density in your articles...
Lorem Ipsum Generator
Generate paragraphs, words, sentences or lists of Lorem Ipsum filler text for your web designs, mockups or...
Pomodoro Timer
Free online Pomodoro timer with customizable intervals, cycle counter, and ambient background sounds to...
GDPR Privacy & Cookie Policy Template Generator
Create a customizable privacy and cookie policy template with references to European GDPR requirements.
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Developer Utilities & Technical Toolset
iDiUtils provides a modular collection of developer utilities engineered to accelerate coding, debugging, formatting, and server configuration workflows. All utilities run client-side whenever mathematically feasible to maximize privacy, zero data persistence, and instant sub-millisecond execution.
Core Categories & Specializations
- Data Formats & Structures: Format, validate, beautify, and convert between JSON, CSV, YAML, SQL, and XML structures.
- Encoding & Cryptographic Security: Generate cryptographic hashes (MD5, SHA-256, SHA-512), batch UUIDs (v4/v7), inspect JWT tokens, encode Base64, and escape HTML entities.
- CSS & Web Frontend: Convert PX to REM/EM, design CSS box-shadows, evaluate WCAG 2.1 contrast accessibility, and preview Markdown in real-time.
- Server, DevOps & Backend: Generate cron schedule expressions, configure Apache .htaccess and Nginx rules, inspect CORS headers, test RegEx, and convert Unix epoch timestamps.
- Binary Arithmetic & Text Processing: Perform bitwise operations, convert numeric bases (2, 8, 10, 16), calculate data storage units, compare diffs, and extract emails/URLs.