Developer & Utilities Tools

Flip text upside down using Unicode. Perfect for social media.

Detect your browser information.

Compare two texts and calculate similarity percentage to detect duplication or overlap.

Convert text to speech using Web Speech API. Multiple voices, speed/pitch control, free & private. Perfect for accessibility and content.

Analyze emoji usage density in text to avoid overuse and improve readability and SEO balance.

Create professional social media graphics. 6 templates, 4 platform sizes, full customization. Instagram, Facebook, Twitter. Download ready-to-post images.

Generate bold, italic, strikethrough, underline text. 6 variations.

Generate placeholder text for designs and mockups.

Simple notepad with auto-save. Write notes with real-time word count.

Generate 20+ stylish fancy fonts for social media, WhatsApp, Instagram - copy & paste instantly.

Reverse text in 7 ways: flip characters, words, upside down, mirror, lines, sentences.

Convert text to bold Unicode. Stand out on social media.

Remove invisible Unicode characters, zero-width spaces, BOMs, and normalize text safely.

Convert text and code between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and kebab-case. Free, in your browser.

Highlight keywords inside text to analyze SEO usage, placement, and density.

Normalize Unicode and remove problematic hidden characters.

Convert normal text into stylish small Unicode text instantly.

Compare two texts and highlight added/removed lines.

Convert CSV to JSON and JSON to CSV.

Create link in bio pages like Linktree. Unlimited links, custom themes, social media icons. Export HTML. No monthly fees. Own your links!

Generate QR codes from text or URL.

Convert images between JPG, PNG, and WebP formats. Batch convert multiple images with adjustable quality. Client-side and private.

Open multiple URLs at once in browser tabs.

Sort lines A→Z or Z→A with optional uniqueness.

Merge words in 12 methods: camelCase, snake_case, kebab-case, and more.

Find and replace text with useful options.

Compress JPG, PNG, WebP images by up to 90% while maintaining quality. Client-side, instant, and private.

Create custom placeholder images for web development. Choose size, colors, and format. Download as PNG, JPEG, or WebP.

Normalize text into lowercase, UPPERCASE, Sentence case, Title Case, or toggle case instantly.

Summarize long text automatically. Smart algorithm, adjustable length (25-75%), paragraph or bullet points. Perfect for articles and reports.

Write, format, and export text with auto-save.

Decode QR codes and read contents.

Validate and format JSON (pretty or minified).

Write Markdown with live preview, copy, and export.

Get bank details from IFSC code.

Remove duplicate lines and keep the first/last occurrence.

Analyze word frequency in text. Interactive charts, stop words filter, export CSV. Perfect for SEO, content analysis, and research.

Visually count characters, spaces, emojis, symbols, and line breaks in real time.

Remove EXIF metadata from images.

View EXIF metadata from images.

Generate UPI payment QR codes.

Find IFSC code from bank and branch.

Resize multiple images at once. Upload unlimited images, apply same settings to all, download as ZIP. Batch processing for efficiency.

Extract color palettes from images. Get HEX/RGB codes, percentages, and export as CSS or JSON. Perfect for designers.

Generate MD5, SHA1, and SHA256 hashes.

Resize images by width, height, or percentage. Maintain aspect ratio or set custom dimensions. Client-side and private.

Crop images with visual editor. Preset ratios (1:1, 16:9, 4:3, 9:16) or free crop. Drag and resize crop box. Client-side and private.

Create perfect OG images for social sharing. 6 templates, custom text, logo upload, 1200×630px. Perfect for Facebook, Twitter, LinkedIn.

Analyze stop-word frequency and density to improve content clarity and SEO.

Encode and decode URLs.

Pick colors and get HEX/RGB values.

Remove emojis from text.

Encode and decode HTML entities.

Simulate different screen resolutions.

Convert RGB color values to HEX.

Normalize line breaks, remove trailing spaces, and clean whitespace.

Encode and decode Base64 strings.

Convert text to ASCII art. 20+ fonts including Banner, Block, Graffiti. Perfect for social media, code headers, signatures.

Convert HEX color codes to RGB.

Reverse any text string.

Generate favicons in all sizes from your image. Get PNG files and HTML code.

Test and debug regular expressions live with match highlighting, capture groups, flags, and a handy cheat sheet. 100% in-browser.

Generate random UUID v4, time-ordered UUID v7, or the nil UUID in bulk. Copy or download. Uppercase and no-hyphen options.

Generate .htpasswd entries to password-protect a folder with Apache or nginx — bcrypt (recommended) or SHA-1, ready to paste. Free, no sign-up.

Check text/background color contrast against WCAG 2.1 AA and AAA for normal and large text, with a live preview.

Build and parse cron expressions with a plain-English description and the next scheduled run times. No signup.

Generate a SHA-256 hash from any text instantly in your browser — also supports SHA-1, SHA-384, and SHA-512. Private, fast, and free with no sign-up.

Convert JSON to YAML and YAML to JSON instantly. Validate, pretty-print, and copy the result. Runs in your browser.

Format and beautify messy SQL queries, or minify them to one line — choose indent and keyword casing, then copy clean SQL. Runs in your browser, free.

Decode JSON Web Tokens to inspect the header and payload, with human-readable expiry, and optional HS256 signature verification.

Convert numbers between binary, octal, decimal, hexadecimal, and any base 2–36. Big-integer safe.

Create and sign JSON Web Tokens (JWT) in your browser — edit header and payload, pick HS256/384/512, and get a signed token. Your secret never leaves your device. Free.

Convert Unix epoch timestamps to human dates and back, in UTC or local time. Supports seconds and milliseconds.

Convert colors between HEX, RGB, and HSL instantly — type any format (including HSL and RGB), with a live swatch and one-click copy. Free, in your browser.

Repeat any text N times with your choice of separator, optional line numbering, and live counts — then copy or download. Free, in your browser.

Generate ULIDs — time-sortable unique IDs — in bulk, with monotonic mode and a timestamp decoder. A modern, sortable alternative to UUIDs. Free.

Turn JSON into TypeScript interfaces instantly — plus Go structs and PHP classes — with nested objects handled automatically. Free, browser-based.

Convert numbers to Roman numerals and back, both ways, for 1–3999 — with validation and a quick symbol reference. Free, runs in your browser.

Convert an image (PNG, JPG, GIF, WebP, SVG) to a Base64 data URI — drag and drop, preview, and copy as a data URI, CSS background, or HTML img. Encoded in your browser. Free.

Calculate Linux file permissions — tick read/write/execute to get the octal chmod number, symbolic notation, and a ready-to-run chmod command. Free.

Minify HTML to shrink file size, or beautify messy HTML into clean, readable code — with live byte savings. Runs in your browser, nothing uploaded.

Break any URL into protocol, host, port, path, query, and fragment — then edit, add, or remove query parameters with a live, correctly-encoded rebuild. Free.

Build a .gitignore file in seconds — pick your languages, frameworks, editors, and OS (Node, Python, PHP, macOS, VS Code and more) and copy or download it. Free.

Generate an HMAC (SHA-256, SHA-1, SHA-384, SHA-512) from a message and secret key, in hex or Base64 — for API signing and webhook verification. Runs in your browser. Free.

Escape text into a safe JSON string, or unescape a JSON string back to plain text — quotes, tabs, and newlines handled both ways. Runs in your browser. Free.

Generate secure bcrypt password hashes with a chosen cost factor, and verify a password against an existing hash. Free, using native bcrypt.

Convert between px, rem, and em instantly with a custom root font size — two-way, with an em option and a handy reference table. Free, runs in your browser.

Safely minify JavaScript (comments + whitespace) or beautify messy code — preserves strings, regex, and template literals. Runs in your browser. Free.

Build Markdown tables visually — fill a grid, set column alignment, or paste CSV/Excel data to import — then copy clean Markdown for GitHub and docs. Free.

Minify CSS to shrink file size, or beautify minified/messy CSS into clean code — with live byte savings. Runs in your browser, nothing uploaded. Free.

Convert text to binary, hexadecimal, or decimal and back — UTF-8 aware, bidirectional, with one-click copy. Free and runs in your browser.

Beautify, indent, or minify XML with your choice of spacing, plus built-in validation. Runs in your browser — nothing is uploaded. Free.

Convert XML to JSON and JSON to XML with attributes preserved. Handles repeated tags as arrays. Runs in your browser. Free.

Format and validate YAML, and convert between YAML and JSON both ways. Catches indentation and syntax errors. Runs in your browser. Free.

Convert HTML into clean Markdown — headings, links, images, lists, code, and tables — for READMEs, docs, and static sites. Free.

Compare two JSON objects and see exactly what was added, removed, or changed — by key path, including nested objects and arrays. Free.

Translate text to Morse code and back, then play it as audio beeps at adjustable speed. Letters, digits, and punctuation. Free.