HomeUtilities

Developer & Tech Utilities

High-fidelity developer utilities, data converters, and security tools running 100% client-side in your browser.

Engines

Domains

100%

Client-Side

Development & Code

7 tools

Schema generators, API mocking, diff analysis, and syntax formatters.

Text Compare Studio

Compare 2 texts with real-time similarity metrics, Levenshtein edit distance, vocabulary matrix, and side-by-side highlighting.

/text-compareLaunch →

Schema Forge

Advanced JSON to Multi-Target converter (TS, Go, Zod, Mongoose, Joi) with recursive parsing.

/json-converter-advancedLaunch →

Mock API Engine

Dynamic API mocking tool to create temporary endpoints with custom JSON responses and status codes.

/mock-apiLaunch →

Diff Comparator

Side-by-side split & unified code diffing with word/character-level highlight and patch export.

/diff-viewerLaunch →

SQL Formatter

Advanced SQL beautifier and syntax validator supporting PostgreSQL, MySQL, and T-SQL.

/sql-formatterLaunch →

Case Converter

Universal recursive converter for variable names and JSON keys (Camel, Pascal, Snake, Kebab).

/case-converterLaunch →

Code Social Card Studio

Transform code snippets and text into high-resolution, aesthetic social export cards.

/code-to-imageLaunch →

Data & File Systems

5 tools

Format parsers, JSON beautifiers, image transformers, and batch file utilities.

JSON Formatter

Developer-centric tool to beautify, minify, and validate JSON strings with syntax highlighting.

/json-formatterLaunch →

CSV to JSON

Advanced CSV parser with support for nested objects, custom delimiters, and file uploads.

/csv-to-jsonLaunch →

JSON to CSV

Convert nested JSON objects and arrays into structured, downloadable CSV tables with automatic dot notation flattening.

/json-to-csvLaunch →

Image Converter

Convert image extensions (WebP, PNG, JPG, AVIF, ICO, BMP) with binary validation and quality scaling.

/image-converterLaunch →

File Renamer

Batch rename files into clean, SEO-friendly kebab-case while preserving extensions.

/file-renamerLaunch →

Security & Diagnostics

5 tools

Cryptographic hashers, phishing detectors, network telemetry, and QR generation.

JWT & API Token Inspector

Decode JSON Web Tokens, inspect RFC 7519 claims, monitor live expiration countdowns, and verify HMAC signatures locally.

/jwt-inspectorLaunch →

Security & Hash Studio

Cryptographic password & passphrase generator, multi-algorithm hasher (SHA-256, MD5, HMAC), and security formatter.

/hash-password-generatorLaunch →

URL Safety Inspector

Detect phishing links, IDN homographs, shorteners, raw IP hosts, and invalid URL characters.

/url-inspectorLaunch →

QR Code Generator

Generate high-resolution, customized vector and raster QR codes for URLs, text, Wi-Fi, vCard, and crypto.

/qr-code-generatorLaunch →

Device & Speed Inspector

Internet speed test in Megabits per second (Mbps), ping, jitter, hardware GPU telemetry, display refresh rate, and media codecs.

/device-inspectorLaunch →

Financial Intelligence

3 tools

IDX market flow tracking, stock opportunity exploration, and dollar-cost averaging.

Rebuild Rulebook

Interactive capital allocation sizer (40/45/15), 5-gate pre-trade checklist, and mechanical drawdown recovery calculator.

/rebuild-rulebookLaunch →

Stock Explorer

Interactive IDX stock summary explorer with foreign flow tracking and performance analysis.

/stock-explorerLaunch →

Asset Averaging

Strategic calculator for weighted average cost analysis and goal-based purchase planning.

/stock-crypto-calculatorLaunch →

Productivity & Lifestyle

5 tools

Interval training timers, cron schedule designers, and interactive decision tools.

Cron Expression Studio

Visual cron schedule builder, plain-English humanizer, future executions timeline, and platform exporters.

/cron-builderLaunch →

Running Timer

High-precision interval timer with automated transitions, beeps, and wake-lock.

/timerLaunch →

Spinner Wheel

Interactive decision wheel & random name picker with audio feedback, presets, and physics.

/spinner-wheelLaunch →

Football Formation Studio

Interactive tactical board to draft players, design matchday formations, organize substitutes, and export high-resolution squad sheets.

/football-formationLaunch →

Faceless Social Canvas

Generate clean, high-fidelity social media images and templates tailored for faceless accounts.

/social-canvasLaunch →