Developer tools
without the server.
Tools that run in your browser. Tool inputs aren’t uploaded — no accounts, just instant results.
.gitignore Gen
Free online .gitignore Generator. Create standard .gitignore files for your project language and IDE. Prevent committing unnecessary files.
Audio Converter
Free online Audio Converter powered by ffmpeg.wasm. Convert MP3, WAV, FLAC, and AAC files in your browser with waveform previews.
Code Playground
Free online Code Playground. Live HTML, CSS, and JavaScript editor with instant.
Collider Generator
Draw polygon colliders on sprites and export to Unity/Godot. Essential for 2D game devs.
CSS <> Tailwind
Convert standard CSS to Tailwind classes and vice versa instantly.
cURL Converter
Free online cURL Converter. Convert cURL commands to Fetch, Axios, Python, or JSON instantly. Simplify API debugging for developers.
Fancy Font Generator
Convert text to 𝔊𝔬𝔱𝔥𝔦𝔠, 𝓑𝓸𝓵 d, or ᑕIᖇᑕᒪEᗪ fonts for Instagram, Discord, and Twitter bios.
JSON <> YAML
Free online JSON to YAML Converter. Transform JSON data to YAML and back instantly. Validates syntax and errors. Simple, fast, and secure.
Minecraft Circle Generator
Generate pixelated circles, ovals, and ellipses for building.
Minecraft Skin Viewer
View and download any Minecraft player's skin in 3D.
Palette Extractor
Free online Image Color Extractor. Upload an image to generate a color palette and get Tailwind CSS codes. Perfect for design inspiration.
Readme Gen
Free online Readme Generator. Create professional GitHub README.md files with badges and descriptions. Improve your project documentation.
Social Previewer
Preview how your links look on Twitter, Facebook, and LinkedIn. Optimize OG tags for more clicks.
Sprite Sheet Slicer
Split sprite sheets into individual images. Download as ZIP. Support for padding and offsets.
SQL Schema Viz
Turn raw SQL scripts into interactive Entity-Relationship (ER) diagrams instantly.
Text to Speech
Free online text-to-speech voice reader. Paste text and listen instantly with your device’s built-in voices. Reader Mode with sentence click-to-jump, word highlighting, and pronunciation fixes. Private and fast.
Texture Channel Packer
Combine metallic, roughness, and AO maps into a single RGB texture for Unity & Unreal Engine.
WebM to MP4 Converter (and MP4 to WebM)
Convert WebM ↔ MP4 and trim clips in your browser using FFmpeg.wasm. Perfect for screen recordings and quick edits.
YouTube Thumbnail Grabber
Download high-quality thumbnails from any YouTube video or Short. Supports 4K (MaxRes), HD, and SD formats.
3D Model Viewer
Free online 3D Model Viewer. View and inspect .glb and .gltf 3D models directly in your browser. No software installation required.
Anvil Optimizer
Calculate the cheapest order to combine enchantments and avoid the 'Too Expensive' limit.
Armor Stand Poser
Visually pose armor stands in 3D and generate the exact /summon command.
Aspect Ratio
Free online Aspect Ratio Calculator. Calculate dimensions for screens, images, and video. Useful for responsive design and media layout.
Audio Trimmer
Waveform-based audio trimmer. Select start/end points, preview the clip, and export to MP3 or WAV — all locally in your browser.
Base64 Converter
Free online Base64 Converter. Encode text to Base64 or decode Base64 strings instantly. Secure client-side processing. No ads, no signup required.
Batch Renamer
Prefix, suffix, find/replace, and auto-number large batches of filenames. Export a CSV map for scripts.
BG Remover
Free Background Remover. Automatically remove image backgrounds in seconds. Download transparent PNGs. Client-side processing ensures your privacy.
Binary Translator
Free online Binary Translator. Convert text to binary code (010101) and vice versa instantly. Understand computer language with this simple tool.
Box Shadow Gen
Free online CSS Box Shadow Generator. Create beautiful, layered shadows visually. Copy the CSS code instantly for your web design projects.
Case Converter
Free online Case Converter. Convert text to Uppercase, Lowercase, Title Case, and more instantly. Simple, fast, and secure tool for writers and coders.
Chmod Calculator
Free online Chmod Calculator. Generate Linux file permission codes (777, 755) visually. Understand permissions with this simple tool.
Class & Script Gen
Auto-generate C# (Unity) and GDScript (Godot) classes with smart type inference. Save time on.
Clip-Path Maker
Free online Clip-Path Maker. Create complex CSS polygon shapes visually with this drag-and-drop.
Code Minifier
Free online Code Minifier. Compress and minify your CSS and JSON code to reduce file size. Improve load times instantly.
Code Snapshot
Free online Code Snapshot tool. Create beautiful, syntax-highlighted screenshots of your.
Color Converter
Free online Color Converter. Convert colors between HEX, RGB, HSL, and CMYK formats.
Contrast Checker
Free online Contrast Checker. Test color combinations for accessibility compliance (WCAG). Ensure your design is readable for everyone.
CPS Test (Click Speed)
Test your clicking speed (Clicks Per Second). Vital for Minecraft PvP and FPS gamers.
Cron Job Gen
Free online Cron Job Generator. Create and schedule cron expressions.
CSS Gradient Gen
Free online CSS Gradient Generator. Create stunning linear and radial gradients. Customize colors and directions. Copy CSS code instantly.
CSS Triangle Maker
Generate pure CSS triangles for tooltips and arrows visually.
CSV to JSON
Free online CSV to JSON Converter. Transform CSV data into JSON objects instantly. Fast parsing and valid output for developers.
Cursor Playground
Free online CSS Cursor Playground. Visualize all available CSS cursor properties and generate custom cursor code. Simple, fast, and interactive.
Date Difference
Free online Date Difference Calculator. Calculate the exact number of days, weeks, or months between two dates. Simple, fast, and secure tool.
Device Info
Analyze your device specs, screen resolution, user agent, network speed, and battery health instantly.
Diff Checker
Free online Diff Checker. Compare text, code, or JSON files side-by-side to find differences. Highlight changes.
DNS Lookup Checker
Check DNS records (A, MX, CNAME, TXT) via Google & Cloudflare to verify propagation.
Docker Converter
Free online Docker Converter. Convert docker run commands to docker-compose.yml files.
DOCX → Markdown
Convert DOCX files to clean Markdown or HTML locally. Perfect for CMS migrations and static site workflows.
EXIF Scrubber
Inspect and remove EXIF metadata (GPS, camera, author) from photos directly in your browser.
Fake Data Generator
Free Fake Data Generator. Create realistic mock data in JSON, CSV, or SQL with a custom schema, seeded generation, and fast browser-only.
Fancy Border
Free online Fancy Border Radius. Generate organic, blob-like shapes for your CSS designs. Customizable and ready to copy-paste.
Favicon Gen
Free online Favicon Generator. Create icons for Web, iOS, and Android from text or images. Download a complete icon package instantly.
File Inspector
Free online File Inspector. Analyze file headers, MIME types, and metadata securely in your browser. Identify unknown file types without uploading.
Focus Noise
Free online Focus Noise Generator. Boost productivity with White, Pink, and Brown noise. Block distractions and improve concentration while coding.
Focus Timer
Free online Pomodoro Timer. Boost your productivity with this focus timer. Standard 25/5 minute intervals. Simple, effective, and ad-free.
Gamepad / Controller Tester
Test Xbox, PS5, and Generic controllers. Visualize buttons, analog sticks, and check for stick drift.
Glassmorphism Gen
Free CSS Glassmorphism Generator. Create beautiful frosted glass effects for your UI. Customize blur, transparency, and color. Copy CSS instantly.
Hash Generator
Free online Hash Generator. Create secure SHA-1, SHA-256, and MD5 hashes from your text. Verify data integrity with this simple tool.
HEIC to JPG Converter
Convert iPhone photos (.HEIC) to standard JPGs directly in your browser. Supports batch processing and preserves quality.
HTML Encoder
Free online HTML Entity Encoder. Encode or decode text to HTML entities and symbols to prevent XSS. Simple, fast, and secure tool for developers.
Htpasswd Generator
Create secure .htpasswd entries for Apache/Nginx basic authentication.
HTTP Header Playground
Paste or fetch response headers to audit security directives (CSP, HSTS, Referrer-Policy) and export a report.
Image Converter
Free online Image Converter. Convert JPG, PNG, WEBP, and other formats.
Image Resizer
Resize pixel dimensions and compress images. Lock aspect ratio and convert to JPG/PNG/WEBP.
JSON <-> XML
Free online JSON to XML Converter. Instantly transform JSON objects to XML format and vice.
JSON Formatter
Free online JSON formatter and validator. Beautify or minify JSON, fix common formatting issues with JSON5, browse in Tree View, filter with.S queries — all client-side.
JSON to TS
Free online JSON to TypeScript Converter. Automatically generate TypeScript interfaces from your JSON objects. Save time and reduce errors.
JSON-LD Schema Generator
Generate Google-compliant structured data (FAQ, Article, Product) to boost your SEO.
JSON-LD Validator
Validate JSON-LD snippets for structured data. Catch missing @context/@type entries and preview graph nodes.
JWT Decoder & Verifier
Decode JWTs (JSON Web Tokens) locally in your browser. Inspect header/payload/signature, view exp/nbf/iat as real dates, detect insecure.y decoded JSON instantly.
Keyboard Test
Free online Keyboard Test. Check for ghosting, key rollover, and broken keys on your mechanical or laptop keyboard. Instant visual feedback.
Keycode Info
Free online Keycode Info. Get JavaScript event keycodes, code, and key values instantly by pressing any key. Essential tool for web developers.
List Cleaner
Free online List Cleaner. Sort, deduplicate, and remove empty lines from your text lists. Organize your data instantly. Simple, fast, and secure.
Lorem Ipsum
Free online Lorem Ipsum Generator. Generate dummy text for your designs and mockups. Customize paragraph length and type. Simple.
Markdown Editor
Free online Markdown Editor. Write, edit, and preview Markdown content in real-time. Export to HTML or raw MD. precise and distraction-free writing.
Meta Tag Gen
Free online Meta Tag Generator. Create SEO-friendly meta tags and social media cards for your website. Improve your search ranking today.
Mouse Sensitivity Converter
Convert sensitivity between Valorant, CS2, Overwatch, and Apex. Calculates cm/360 for perfect aim.
Net Monitor
Free online Internet Monitor. Track your ping, latency, and connection stability in real-time. Visualize network performance with live graphs.
OpenAPI → TS Client
Generate TypeScript fetch clients from OpenAPI/Swagger. Upload JSON/YAML, inspect endpoints, and download typed SDKs instantly.
Password Breach Checker
Check passwords against the Have I Been Pwned range API using k-anonymity. Hashes stay local for privacy.
Password Gen
Free online Password Generator. Create strong, secure, and random passwords. Customize length and characters. Ensure your account.
PDF Master Kit
Free online PDF Master Kit. Merge, rotate, and organize PDF pages securely in your browser. No uploads required - processing happens locally.
Percentage Calc
Free online Percentage Calculator. Easily calculate percentages, increases, and decreases. Simple math tool for developers and designers.
PX to REM
Free online PX to REM Converter. Convert pixel values to REM units based on base font size. Essential for responsive web design.
QR Generator
Free online QR Generator. Create custom, colored QR codes for URLs, text, and WiFi. Download high-quality images. No ads, no signup required.
Random Wheel Picker
Spin the wheel to make a random decision. Perfect for raffles, contests, and choosing where to eat.
Reaction Time
Free online Reaction Time Test. Measure your visual reflexes and click speed. Challenge yourself and improve your reaction time.
Regex Explainer
Free Regex Explainer (Regex to English) for JavaScript RegExp. Break down tokens, validate flags, preview matches, and export/share patterns — runs client-side.
Regex Tester
Free online Regex Tester & Replace tool (JavaScript RegExp). Test patterns, highlight matches, inspect capture groups, and preview replacements instantly — runs 100% client-side.
Resource Pack Generator
Generate the pack.mcmeta file needed for Minecraft texture packs.
Roblox Color3 & BrickColor
Convert Hex/RGB to Roblox Color3.new(), Color3.fromRGB(), and find the closest BrickColor.
Roblox DevEx Calculator
Convert earned Robux to USD using DevEx rates, including blended old/new rate payout estimates.
Roblox Error Code Fixer
Look up Roblox error codes (268, 277, 279…) and follow a step-by-step fix checklist by device.
Roblox GUI Generator
Visual tree builder for Roblox UIs. Instantly generates the Instance.new() boilerplate code for your scripts.
Roblox Pending Robux Estimator
Estimate when pending Robux may release with earliest/latest dates, batch schedules, and calendar reminders.
Robots.txt Generator
Create and validate robots.txt files to control search engine crawlers.
Robux Tax & DevEx Calc
Calculate the 30% Roblox marketplace fee and convert Robux to real-world USD (DevEx).
Screen Recorder
Free online Screen Recorder. Capture your screen, window, or browser tab instantly. No software download or watermarks. Save recordings locally.
Server Status Checker
Check if a Minecraft server is online, view player count, and analyze latency.
Signature Maker
Free online Signature Maker. Draw, customize, and download your digital signature. Perfect for documents and emails. Secure and client-side.
Site Crawler & Spider
Crawl any website to extract links, sitemaps, and generate page screenshots.
Sprite Animator
Slice sprite sheets, preview animations, and export GIFs or frame zips without leaving your browser.
SQL Formatter
Free online SQL Formatter. Beautify and format complex SQL queries for better readability. Supports various SQL dialects. Simple, fast, and secure.
SSL Certificate Checker
Verify SSL validity, expiration date, and security chain instantly.
Subnet Calculator
Calculate network range, broadcast, and usable IPs from CIDR.
Subtitle Toolkit
Upload SRT/VTT captions, shift timing, and export adjusted subtitle files on-device.
SVG Blob & Wave Maker
Generate organic, wobbly SVG blobs and waves for modern web design backgrounds.
SVG Optimizer
Free online SVG Optimizer. Minify and clean up your SVG files to reduce size without losing quality. Perfect for web performance.
Tailwind Sorter
Free online Tailwind Class Sorter. Automatically sort and deduplicate your Tailwind CSS classes. Keep your code clean and organized.
Timestamp Tool
Free online Timestamp Converter. Convert Unix timestamps to human-readable dates and vice versa. Support for milliseconds and seconds.
Timezone Converter
Free online Timezone Converter. Convert meeting times between multiple time zones with automatic DST support. Simple, fast, and secure tool for developers.
Tone Generator
Generate quick test tones in your browser. Sine, square, and pink noise waveforms with adjustable frequency and level.
Typing Test
Free online Typing Test. Check your typing speed (WPM) and accuracy. Practice and improve your keyboard skills instantly.
Universal Unit Converter
Convert length, weight, temperature, digital storage, and more. Supports metric, imperial, and scientific units.
URL Encoder
Free online URL Encoder/Decoder. Encode special characters in your URLs or decode them back to text. Simple, fast, and secure tool.
URL Slug Generator
Convert text into clean, SEO-friendly URL slugs instantly.
UTM Builder
Easily build tracking URLs with UTM parameters for Google Analytics campaigns.
UUID Generator
Free UUID generator & validator (v1–v8). Generate v4/v7/v6, create name-based v3/v5 UUIDs, inspect versions/variants, decode timestamps, and convert UUIDs to bytes/base64 — client-side.
Video Compressor: Reduce MP4 Size Online
Shrink video file size directly in your browser. Optimize MP4s for Discord, Email, or Web without uploading.
Video to GIF Maker
Convert videos to GIFs with Trimming, Speed control, and Boomerang effects. High-quality palette generation.
Webcam Test
Free online Webcam & Mic Test. Check your camera and microphone functionality directly in the browser. Detailed info and troubleshooting. No signup.
What Is My IP
Check your public IP address, location, ISP, and User Agent instantly.
Whois Domain Lookup
Check domain availability, ownership info, expiry dates, and name servers.
WiFi QR Card
Free online WiFi QR Code Generator. Create printable QR cards for your WiFi network. Share access easily without typing passwords. Secure and local.
Word Counter
Free online Word Counter. Count words, characters, sentences, and paragraphs in your text. Simple, fast, and secure writing helper.
XML Formatter
Beautify, minify, and validate XML data. Detects syntax errors instantly.
XML Sitemap Generator
Build a valid sitemap.xml file with custom priorities and change frequencies.
YAML Validator
Validate YAML syntax, beautify indentation, and convert to JSON.