Every tool you need. Zero hassle.
Format code, generate QR codes, edit images, convert PDFs, process audio, analyze SEO — a complete toolkit that runs entirely in your browser. Fast, private, and free.
Every category, one click away.
Pick a category and get to work.
Developer Tools
24 essential utilities for developers. Format, encode, decode, hash, diff, and convert — all in your browser.
Color Tools
11 tools for picking, generating, and testing colors. Build palettes, check contrast, simulate color blindness.
SEO Tools
17 tools for on-page SEO, content analysis, technical SEO, and keyword research. No API keys needed.
QR Code Tools
10 QR code generators with full customization — colors, styles, logos, frames — plus a scanner.
Image Tools
21 tools to edit, convert, compress, and enhance images. AI-powered pro tools for background removal and upscaling.
PDF Tools
21 tools to merge, split, compress, convert, protect, and edit PDFs. AI OCR and document conversion for pro users.
Audio Tools
19 tools to convert, trim, merge, equalize, and analyze audio. AI noise removal and vocal separation for pro users.
Date & Time Tools
10 tools for every shape time takes — world clocks, timers, time zone converters, date calculators, meeting planners, and sunrise tables. All running locally in your browser.
Explore by category
Interactive previews. Real tools. Try them now.
JSON Formatter
Format, validate, and minify JSON with syntax highlighting and error detection
XML Formatter
Format and validate XML documents with syntax highlighting
SQL Formatter
Format SQL queries for PostgreSQL, MySQL, SQLite with customizable indentation
HTML Formatter
Format and beautify HTML markup with proper indentation
CSS Formatter
Format, minify, and beautify CSS stylesheets
JavaScript Formatter
Format and minify JavaScript code with configurable options
YAML ↔ JSON
Convert between YAML and JSON formats instantly
CSV ↔ JSON
Convert between CSV and JSON with column mapping and type inference
Image Editor
Full editor — crop, rotate, filters, adjustments, text overlay, and draw
Resize Image
Resize images by pixels or percentage while maintaining aspect ratio
Crop Image
Freeform and preset ratio cropping for images
Rotate & Flip
Rotate images 90/180/270 degrees and flip horizontal or vertical
Add Watermark
Add text or image watermarks with position, opacity, and tiling controls
Meme Generator
Add top and bottom text with font, size, and stroke controls on images
Collage Maker
Grid and freeform photo collage with templates and layout options
Image Comparison
Before/after slider to compare two images side by side
Merge PDF
Combine multiple PDFs into one with drag-and-drop page reordering
Split PDF
Split PDF by page range or extract specific pages
Compress PDF
Reduce PDF file size with image quality and font subsetting options
Rotate PDF
Rotate all or specific PDF pages by 90, 180, or 270 degrees
PDF Page Numbers
Add page numbers with position, format, and font options
PDF to JPG
Convert PDF pages to high-quality JPG images
JPG to PDF
Convert images (JPG, PNG) to a PDF document
PDF to PNG
Convert PDF pages to PNG images with transparency support
Color Picker
Visual spectrum picker with HEX, RGB, HSL output and one-click copy
Format Converter
Convert between HEX, RGB, HSL, HSB, CMYK, and CSS color formats
Image Color Extractor
Upload an image and extract the dominant color palette (5-10 colors)
Palette Generator
Generate harmonious palettes — complementary, triadic, analogous, and more
Gradient Generator
Create CSS linear and radial gradients with color stops and copy CSS code
Shades Generator
Generate tints and shades from any base color in a 10-step scale
Random Color
Generate random colors with lock/unlock and export as palette
Color Mixer
Blend two colors with adjustable ratio and see interpolation steps
Audio Converter
Convert between MP3, WAV, OGG, FLAC, AAC, M4A, and WMA formats
Trim & Cut
Trim audio with waveform visualization and precise start/end controls
Merge Audio
Combine multiple audio files sequentially into one track
Video to Audio
Extract the audio track from video files (MP4, AVI, MOV, MKV)
Speed Changer
Change playback speed without affecting pitch
Ringtone Maker
Trim and convert to iPhone (M4R) and Android ringtone formats
Compressor
Dynamic range compression with threshold, ratio, attack, and release
Equalizer
Multi-band EQ with presets and custom frequency curves
Meta Tags Analyzer
Generate and optimize title, description, viewport, and charset meta tags
SERP Preview
Live Google search result preview for desktop and mobile
Open Graph Builder
Generate OG meta tags with live social card preview for Facebook and LinkedIn
Twitter Card Preview
Generate Twitter/X card meta tags with live preview
Robots.txt Generator
Generate and validate robots.txt rules for search engine crawlers
Sitemap Generator
Generate XML sitemaps from a URL list with priority and frequency settings
Favicon Checker
Validate all favicon sizes and formats, generate missing sizes
Keyword Density
Word frequency analysis with density percentages and keyword highlighting
URL QR Code
Generate a customizable QR code for any URL
Text QR Code
Generate a QR code for plain text content
Email QR Code
Generate a QR code that opens email compose with pre-filled fields
WiFi QR Code
Generate a QR code for WiFi auto-connect with SSID, password, and encryption
vCard QR Code
Generate a QR code for a contact card with name, phone, email, and address
Phone QR Code
Generate a QR code for direct phone call
SMS QR Code
Generate a QR code that opens SMS compose with pre-filled message
Location QR Code
Generate a QR code for geo coordinates or Google Maps link
Why LevnTools?
Instant results
Tools run in your browser. No uploading, no waiting for servers. Results appear as you type or drop a file.
Private by default
Your files never leave your device. No server uploads for free tools. Everything is processed locally.
Free and unlimited
Every core tool is completely free with no limits. No account required. No watermarks. No catch.
Pro tools when you need them
AI-powered tools for background removal, upscaling, OCR, and more. Pay only for what you use.