Developer Tools

⭐ Popular

AI

Code Comparator

Paste two code snippets, AI compares performance, readability and security.

AI

README Generator

Enter project details, generate a professional GitHub-ready README.md.

JSON Formatter

Beautify, validate and minify JSON data.

Text to Mind Map (No AI)

Convert markdown/plain text to hierarchical mind map. Markmap (MIT) interactive SVG render (zoom/pan/collapse) + SVG/PNG/MD/TXT export. NO AI — algorithmic parse, client-side only.

Study Tracker

Log daily study hours → weekly chart + streak + goal. Local-only, no account.

Regex Tester + AI Generator

Test regex + match groups + AI generate regex from Turkish description.

JSON & Data

Excel to CSV

Convert Excel XLSX files to CSV format. Universal data output for any application.

JSON Formatter

Beautify, validate and minify JSON data.

SQL Formatter

Beautify and indent SQL queries. Supports MySQL, PostgreSQL, SQLite, SQL Server, Oracle, BigQuery and more dialects.

JSON ↔ CSV Converter

Convert JSON arrays to CSV or CSV to JSON. Custom delimiter, nested object flattening, file download.

JSON Tree Viewer

View JSON data as a collapsible tree. Type coloring, value search, path copying, expand/collapse nodes.

HTML & Markdown Table Generator

Build tables visually. Add/remove rows & columns, edit cells, align columns. Copy as HTML, Markdown, or CSV.

JSON Diff Tool

Compare two JSON objects. Additions, deletions and changes shown in a colored tree. Browser-only.

JSON to Table Converter

Convert a JSON array to a visual table. Flattens nested objects. Copy or download as HTML, Markdown or CSV.

Markdown Table Builder

Visual markdown table editor with cells + alignment.

YAML ↔ JSON Converter

Bi-directional YAML ↔ JSON conversion with anchor/alias, flow-style and multi-line block support.

Text

Text Encoding (Base64 / URL / HEX)

Client-side text encoding: Base64, URL, HEX, Binary, ROT13. For real encryption use Text Cipher.

Lorem Ipsum Generator

Generate classic Lorem Ipsum or Turkish placeholder text. Paragraph/sentence/word, HTML wrapped.

URL Slug Generator

Convert titles to SEO-friendly URL slugs. Turkish char transliteration. Batch.

Text Diff Tool

Compare two texts line by line. LCS algorithm, addition/deletion highlighting, split and unified view.

Text Formatter

Transform text to uppercase, lowercase, title case and more.

Text Counter

Count words, characters and lines in real time.

Text Statistics

Word/sentence/paragraph count, Flesch score, top 10 words, character distribution.

Text Case Converter

Convert to camelCase, PascalCase, snake_case, kebab-case, slug, SCREAMING_SNAKE and 10+ formats. Turkish locale aware (İ/ı/i correct).

Text Cipher

Caesar, ROT13, Atbash, Vigenère, Beaufort, Morse, Base64. Brute force panel. All client-side — no data sent.

Morse Code Converter

Convert text to Morse code or decode Morse. Audio playback (Web Audio), speed control (WPM), reference table.

Text Splitter & Joiner

Split or join text by plain or regex delimiter. Extract columns, deduplicate, sort (Turkish locale or numeric), number lines. Browser-only.

Text Cleaner & Processor

Strip HTML tags, fix whitespace, remove special chars. Sort lines, change case, find & replace. 20+ operations.

Word Frequency Analyzer

Analyze the most frequent words in text. Stop word filter, visual bar chart, CSV export.

Text Template

Create and use variable-supported text templates.

Text to Mind Map (No AI)

Convert markdown/plain text to hierarchical mind map. Markmap (MIT) interactive SVG render (zoom/pan/collapse) + SVG/PNG/MD/TXT export. NO AI — algorithmic parse, client-side only.

Code & Web

AI

Code Comparator

Paste two code snippets, AI compares performance, readability and security.

HTML Entity Encode/Decode

Encode/decode HTML entities. XSS-safe escape. Fully client-side.

Code Minifier

Minify CSS, HTML, JS and JSON. Before/after size comparison.

Meta Tag + Open Graph Generator

Generate SEO meta tags, Open Graph and Twitter Card code.

robots.txt Generator

Generate robots.txt. Presets + custom rules + sitemap.

.htpasswd Generator

Generate Apache .htpasswd line (SHA-1). Client-side, password never sent.

JWT Decoder

Decode JWT into header/payload/signature. Expiry check + claim explanations. Token never leaves your browser.

Markdown Preview

Preview Markdown text as formatted HTML in real time.

QR Code Reader

Scan QR codes and barcodes from webcam or image file. BarcodeDetector API, 100% browser-side.

Color Code Converter

Convert colors between HEX, RGB, HSL, HSV and CMYK. Contrast ratio, tint/shade strip, color picker.

Markdown to Word

Convert Markdown to formatted Word DOCX.

Cron Explainer

Explain cron syntax in Turkish + next 5 run times.

User-Agent Parser

UA parser: browser + version + OS + device + engine.

Regex Tester + AI Generator

Test regex + match groups + AI generate regex from Turkish description.

Webhook Test Tool

Send test POST to webhook URL, inspect response. Slack/Discord/Zapier debug.

WiFi QR Generator

SSID + password > QR; guests connect with one scan.

Hub

Markdown Studio

Live preview, HTML render, and PDF export in one panel. Full GFM support including tables and code blocks.

Crypto & Identity

Password Generator

Generate secure and random passwords.

UUID Generator

Generate unique UUID v4 values.

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-512 hash values.

Base64 Encode/Decode

Encode/decode Base64. UTF-8 safe, URL-safe, file to data URI. Fully client-side.

Password Strength Checker

Entropy, crack time, pattern detection, character distribution. No data sent to server.

Image ↔ Base64 Converter

Bi-directional image ↔ Base64 conversion. Drag & drop, 5 output formats (<img>, CSS background, url() etc.), reverse Base64 → image preview.

Image Base64 Converter

Image to Base64 data URI or back, encode/decode in one simple screen. Drag & drop + paste. For HTML/CSS/email embedding.

Passphrase Generator (EFF Style)

3-7 word memorable + secure passphrase. Resistant to dictionary attacks, EFF wordlist style.

Unix Timestamp Converter

Bi-directional Unix sec/ms <-> ISO 8601 conversion.

Color

Color Palette Generator

Generate color palettes from your images.

Color Contrast Checker

WCAG 2.1 AA/AAA accessibility contrast ratio checker. Supports HEX and RGB.

Color Harmony Generator

8 harmony types: complementary, triadic, analogous, square, tetradic, monochromatic, shades. CSS export.

Color Shades Generator

Generate 11 Tailwind-compatible shades from any color. CSS variables, Tailwind config and SCSS. HEX/RGB/HSL.

Bulk Color Contrast

Paste CSS variables; WCAG AA/AAA contrast table for all color pairs.

QR & Link

vCard Business Card QR

Contact info > vCard + QR; scan to add to contacts.

Event Calendar QR (ICS)

Event info > iCalendar + QR; scan to add to calendar.

UTM Parameter Builder

Build tracked URLs with UTM params for GA campaigns.

Quick File Share QR

Upload file > 4h/7d link + scannable QR.

Other

AI

README Generator

Enter project details, generate a professional GitHub-ready README.md.

World Clocks

70+ city clocks on one screen. Pin favorites, search any city. 12h/24h format, Intl API. No server requests.

Debt Tracker

Snowball and Avalanche debt payoff plans. Monthly interest, payoff duration, and total payment calculation for multiple debts.

Project Tracker

Project, task and budget tracking with status management

Study Tracker

Log daily study hours → weekly chart + streak + goal. Local-only, no account.

Convert JSON/YAML/CSV, process text, format code, generate hashes & base64, test regex and build color palettes — all in your browser.

Frequently Asked Questions

Other categories

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