Developer Tools

Send files up to 500 MB via a secure shareable link. Password protection, auto-expiry, and QR code sharing included.

Test REST APIs with custom headers, auth tokens, and request body. A free Postman alternative right in your browser.

Prettify, minify, and validate JSON instantly. Syntax highlighting, key sorting, and error detection included.

Test regular expressions with live match highlighting. Supports all JS regex flags — g, i, m, s, and more.

Encode and decode Base64 strings, images, or files instantly in your browser. Handles text and binary data.

Decode and inspect JWT tokens — header, payload, expiry, and claims. 100% local, no data sent anywhere.

LCS line diff with word highlights, unified view, whitespace options, and patch export.

Decode cron expressions into plain English and preview the next scheduled run times.

Searchable reference for common HTTP status codes with usage notes.

Generate UUID v4 identifiers in bulk and validate existing UUIDs.

Paste .env contents to flag risky patterns — runs entirely in your browser.

Create downloadable QR codes for URLs, text, and contact cards.

Mini landing page with your links — export as standalone HTML.

Browse OpenAPI 3 endpoints, parameters, and schemas in the browser.

Branded quotes and proposals with line items — download as PDF.

A distraction-free, auto-saving text editor. Features word count, character count, and local text file export.

Generate professional PDF invoices in seconds. Customizable fields, line items, tax rates — free forever.

Build a clean, ATS-friendly resume and export to PDF. No accounts, no watermarks, no data stored.

Create short, clean links from long URLs. Quick sharing with no registration or tracking required.

Rewrite articles and paragraphs to be 100% unique and SEO optimized.

Generate viral and engaging posts for your professional network instantly.

Find the perfect name for your next side hustle or startup.

Draft polite, professional, and rapid replies to tricky emails.

Write conversion-focused descriptions for your e-commerce store.

Restructure any prompt into the perfect ROLE + TASK + CONTEXT + CONSTRAINTS formula.

Instantly calculate CGST, SGST, IGST and total amounts for your invoices.

Determine the selling price for your products to hit your target profit margins.

Estimate your initial funding requirements with pre-built startup templates.

Build an investor-ready 1-page Lean Canvas in minutes with a guided 9-step wizard.

Get your minimum, target & premium hourly rate based on income goals, expenses & tax.

Generate perfect meta tags with a live preview of Google, Twitter & Facebook appearance.

Analyze keywords, spot stuffing warnings, and find bi-gram & tri-gram phrase patterns.

Create perfectly formatted robots.txt files to manage search engine crawlers.

Easily create an XML sitemap of your essential links for Google Search Console.

Generate trackable campaign URLs to securely monitor your marketing performance.

Generate catchy, high-CTR YouTube titles tailored for the algorithm.

Find the punchiest 3-4 word phrases that pop on thumbnails.

Get the most relevant, high-reach hashtags for Instagram and LinkedIn posts.

Instantly generate engaging captions for your social media posts.

Craft a witty, professional, or creative bio for your social profiles.

Manage your PDF files securely in the browser — merge, split, or compress without uploading.

Compress JPG, PNG, and WebP images without losing visual quality.

Extract text directly from screenshots, receipts, and scanned documents.

Convert text to UPPERCASE, lowercase, Title Case, or Sentence case instantly.

Count words, characters, and estimate reading time for your articles instantly.

Calculate your monthly loan payments, total interest, and principal breakdown.

Calculate the future value of your monthly mutual fund SIP investments.

Quickly check how much home loan or personal loan you qualify for.

Estimate your take-home pay after standard tax deductions.

Give clients a quick estimate of how much their web project will cost.

Answer 5 questions to receive a brutally honest score on your startup idea.

Transform generic cold emails into highly personalized icebreakers.

Paste transcripts and quickly extract action items and key decisions.

Enter any URL to get a funny, harsh (but true) roast of its design.