All Free Online Tools
80+ free utilities for developers, designers, and everyone. 100% client-side processing - your data stays private.
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Showing all 80 tools
Age Calc
Calculator ToolsCalculate exact age in years, months, days.
Audio Viz
Audio ToolsVisualize audio files with real-time frequency bars.
Barcode
GeneratorsGenerate Code 128 and Code 39 barcodes.
Base64
Developer ToolsEncode and decode Base64 strings instantly.
Coin Toss
Fun ToolsFlip a virtual coin for random heads or tails.
Color Palette
Design ToolsGenerate harmonious color schemes.
Color Picker
Image ToolsPick colors and convert between HEX, RGB, HSL formats.
Compound Interest
Finance ToolsCalculate compound interest with different compounding frequencies.
Cron Gen
Developer ToolsBuild cron expressions visually.
Border Radius
CSS ToolsCreate custom border radius values with visual controls.
Box Shadow
CSS ToolsCreate CSS box shadows with a visual editor.
Glassmorphism
CSS ToolsCreate frosted glass effects with CSS.
Gradient
CSS ToolsCreate beautiful CSS gradients with a visual editor.
CSS Units
Developer ToolsConvert between CSS units - px, rem, em, pt, vw, vh, and more.
CSV to JSON
Developer ToolsConvert CSV files to JSON format.
Decide
Fun ToolsCant decide? Let us help! Yes/No decisions or pick from custom options.
Dice Roller
Fun ToolsRoll virtual dice - D4, D6, D8, D10, D12, D20, D100.
Distance Calc
Location ToolsCalculate distance between two GPS coordinates.
Draw
Drawing ToolsSimple whiteboard with colors, brush sizes, and eraser.
Emojis
Text ToolsBrowse and copy emojis by category.
EXIF Viewer
Image ToolsExtract and view EXIF metadata from photos.
Fancy Text
Text ToolsConvert text to fancy Unicode styles - bold, italic, script, and more.
Favicon
Image ToolsGenerate favicons in all sizes from a single image.
File Hash
Security ToolsCalculate SHA-1, SHA-256, SHA-512 hashes for any file.
GPS Format
Location ToolsConvert between Decimal Degrees and DMS format.
Hash Gen
Security ToolsGenerate MD5, SHA-1, SHA-256, and SHA-512 hashes instantly.
HTML Encode
Text ToolsEncode or decode HTML entities.
Color Extract
Image ToolsExtract color palette from images.
Compress Image
Image ToolsCompress and reduce image file size without losing quality.
Crop Image
Image ToolsCrop images with preset aspect ratios or custom dimensions.
Image Filters
Image ToolsApply Instagram-style filters to images.
Convert Image
Image ToolsConvert images between PNG, JPEG, WebP, and GIF formats.
Resize Image
Image ToolsResize images to any dimension.
Rotate Image
Image ToolsRotate images 90ยฐ/180ยฐ and flip horizontally or vertically.
Image to Base64
Image ToolsConvert images to Base64 encoded strings.
JSON Formatter
Developer ToolsFormat, validate, and beautify JSON data instantly.
JSON to CSV
Developer ToolsConvert JSON arrays to CSV format.
JSON Tree
Developer ToolsVisualize JSON data as an interactive tree.
JWT Decoder
Developer ToolsDecode and inspect JSON Web Tokens (JWT).
Letter Counter
Text ToolsAnalyze text with detailed statistics.
Randomizer
Text ToolsShuffle and randomize lists.
Loan Calculator
Finance ToolsCalculate monthly loan payments with full amortization schedule.
Lorem Ipsum
Text ToolsGenerate placeholder text for your designs.
Markdown
Text ToolsWrite markdown and see live HTML preview.
Meme Maker
Image ToolsCreate memes with top and bottom text.
Meta Analyzer
Developer ToolsAnalyze HTML meta tags for SEO.
Metronome
Audio ToolsOnline metronome for musicians.
OG Meta
GeneratorsGenerate Open Graph meta tags for social media sharing.
Percent Calc
Calculator ToolsCalculate percentages - X% of Y, percentage change, increase/decrease.
Photo Censor
Image ToolsBlur, pixelate, or black out sensitive areas in photos.
Pixel Art
Drawing ToolsCreate pixel art on a grid canvas.
Pixelate
Image ToolsCreate pixelated/mosaic effects.
QR Code
GeneratorsCreate QR codes for URLs, text, WiFi, and more.
Random Number
Fun ToolsGenerate random numbers within any range.
RegEx Tester
Developer ToolsTest and debug regular expressions in real-time.
Beautify
Image ToolsAdd beautiful backgrounds, shadows, and browser frames to screenshots.
Password Gen
Security ToolsGenerate strong, secure passwords instantly.
Signature
Drawing ToolsDraw and save digital signatures.
Simple Charts
Data VisualizationCreate simple bar, line, and pie charts from data.
Social Resize
Image ToolsResize images for Instagram, Facebook, Twitter, LinkedIn, YouTube, and more.
Wheel Spinner
Fun ToolsCreate a custom wheel with your own options and spin to pick randomly.
SQL Format
Developer ToolsFormat and beautify SQL queries.
SVG Optimize
Developer ToolsMinify and optimize SVG files.
Case Convert
Text ToolsConvert text between UPPERCASE, lowercase, Title Case, camelCase, and more.
Diff Checker
Developer ToolsCompare two texts and see the differences highlighted.
Reverser
Text ToolsReverse text by characters, words, or lines.
TTS
Text ToolsConvert text to speech using browser voices.
Timezones
Location ToolsCompare multiple timezones in real-time.
Tip Calc
Calculator ToolsCalculate tips and split bills.
Units
Calculator ToolsConvert between units - length, weight, temperature, time, data, and speed.
Timestamp
Developer ToolsConvert Unix timestamps to human-readable dates and vice versa.
URL Check
Web ToolsAnalyze URLs and detect shortened links.
URL Encode
Text ToolsEncode or decode URLs and query strings.
Slug Gen
Text ToolsConvert text to URL-friendly slugs.
UUID Gen
GeneratorsGenerate random UUIDs (v4) instantly.
Watermark
Image ToolsAdd text watermarks to images.
Photo Booth
Camera ToolsTake photos with your webcam.
Whitespace
Text ToolsRemove extra spaces, tabs, and line breaks from text.
Word Counter
Text ToolsCount words, characters, sentences, and paragraphs in real-time.
XML Format
Developer ToolsFormat and beautify XML or minify it.
Why Use NanoTools?
Privacy First
All tools run 100% in your browser. Your data never leaves your device - no uploads, no tracking, no servers involved.
Instant & Fast
No loading, no waiting. Tools work instantly with real-time results. Works offline once the page is loaded.
Always Free
No signup, no premium tiers, no limits. Every tool is completely free to use as much as you need.