40 Free Developer & AI Tools

Format, validate, and beautify JSON with AI-powered error explanations.

Generate UUIDs (v4) instantly. Bulk generation, copy-to-clipboard.

Encode and decode Base64 strings instantly in your browser.

Test regex patterns with live matching. Describe what you need in plain English and AI builds the regex.

Build and decode cron expressions visually. Describe your schedule in plain English and AI builds it.

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes instantly.

Generate beautiful color palettes with harmony rules. Copy HEX, RGB, and HSL values.

Generate placeholder text in paragraphs, sentences, or words. Classic lorem ipsum.

Generate QR codes from URLs, text, or data. Download as PNG or SVG.

Compare two texts side-by-side and see the differences highlighted.

Generate strong, secure passwords instantly. Customize length, characters, and complexity.

Count words, characters, sentences, and paragraphs. Reading time estimates.

Decode and inspect JSON Web Tokens. View header, payload, and expiration status.

Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds.

Encode and decode URLs and query strings instantly. Supports encodeURIComponent and encodeURI.

Convert CSV to JSON and JSON to CSV. Supports custom delimiters, file upload, and download.

Write Markdown and see rendered HTML in real-time. Split, source, and preview modes.

Convert YAML to JSON and JSON to YAML instantly. Bidirectional, no dependencies.

Minify CSS to reduce file size or beautify it for readability. Free online CSS formatter and compressor.

Format, beautify, and minify SQL queries online. Supports SELECT, JOIN, subqueries, and all major SQL dialects.

Encode and decode HTML entities. Convert special characters to their HTML entity equivalents.

Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.

Format, beautify, and minify SQL queries online. Supports SELECT, INSERT, JOINs, subqueries.

Convert numbers between binary, octal, decimal, and hexadecimal instantly.

Remove image backgrounds instantly with AI. Get a transparent PNG in seconds, free.

Extract text from images and screenshots using AI-powered OCR. Free, no signup, instant results.

Generate images from text descriptions using AI. Free, no signup, no watermark.

Convert text to natural-sounding speech using AI. Free, no signup, download as audio.

Compress images online for free. Reduce JPEG, PNG, and WebP file sizes by up to 90%. No upload to servers.

Resize images online for free. Set exact dimensions, social media presets. No upload, works offline.

Upscale and enhance images with AI. Increase resolution, sharpen details, and improve quality for free.

Swap faces between two photos instantly with AI. Free online face swap tool — no signup, no watermark, no app download.

Transcribe audio files to text using OpenAI Whisper. Upload MP3, WAV, or record from your microphone.

Animate a still photo using AI. Upload a portrait and a driving video to bring faces to life with realistic motion.

Turn any image into a video with AI. Upload a photo, describe the motion, and generate realistic video clips for free.

Clone any voice with AI. Upload a voice sample, type your text, and generate speech in that voice.

Convert images between PNG, JPG, and WebP formats instantly. Free, no upload, works offline.

Convert images to PDF online for free. Combine multiple images into one PDF. No upload, works offline.

Generate 3D character animations from text prompts for free. Powered by NVIDIA Kimodo. Download BVH files for Blender, Unreal, Unity, and Maya.

Generate a professional privacy policy for your app or website using AI.