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Featured Tools

A curated selection of our most popular and visual utilities.

Archive Duplicate Scanner thumbnail

Archive Duplicate Scanner

Find duplicate comic archives, photos, and files locally using perceptual hashing and safe deletion.

Native desktop app
BiblioFuse Reader thumbnail

BiblioFuse Reader

Native reader and library manager for EPUB, PDF, comics, archives, and text collections.

Native Apple + Android app
SmartDecrypt PDF ZIP thumbnail

SmartDecrypt PDF ZIP

Unlock password-protected PDFs, ZIP, and 7z archives locally with saved filename patterns.

Native Apple + Windows app
Base64 Encoder/Decoder thumbnail

Base64 Encoder/Decoder

Encode and decode text or files to Base64 securely in your browser.

JS Native
Base64 Image Decoder thumbnail

Base64 Image Decoder

Convert Base64 strings to images and download them instantly.

JS Native
URL Encoder/Decoder thumbnail

URL Encoder/Decoder

Encode and decode URLs to handle special characters safely.

JS Native
Lorem Ipsum Generator thumbnail

Lorem Ipsum Generator

Generate placeholder text for your designs.

JS Native
Color Picker & Converter thumbnail

Color Picker & Converter

Pick colors and convert between Hex, RGB, HSL, HSV, and CMYK formats.

react-colorful + colord
HTML Encode/Decode thumbnail

HTML Encode/Decode

Escape or unescape HTML entities safely.

JS Native
Unix Timestamp Converter thumbnail

Unix Timestamp Converter

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

JS Native
JSON Formatter & Validator thumbnail

JSON Formatter & Validator

Validate, format, and minify JSON data.

JS Native
QR Code Generator thumbnail

QR Code Generator

Create custom QR codes for links or text.

react-qr-code
Cron Job Generator thumbnail

Cron Job Generator

Create and explain cron schedules easily.

Cronstrue
Hash Generator thumbnail

Hash Generator

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

Web Crypto API + Custom MD5
HTML Formatter thumbnail

HTML Formatter

Beautify and structure your HTML code for better readability.

Prettier
Markdown to HTML thumbnail

Markdown to HTML

Convert Markdown text to HTML.

marked
JWT Decoder thumbnail

JWT Decoder

Decode JSON Web Tokens (JWT) to view their header and payload.

jwt-decode
Slug Generator thumbnail

Slug Generator

Generate SEO-friendly URL slugs from text strings.

JS Native
SQL Formatter thumbnail

SQL Formatter

Beautify and format your SQL queries for better readability.

sql-formatter
UUID Generator thumbnail

UUID Generator

Generate secure UUIDs (v4) instantly.

JS Native
User Agent Parser thumbnail

User Agent Parser

Parse and analyze user agent strings for browser and OS info.

bowser
Age Calculator thumbnail

Age Calculator

Calculate exact age and countdown to next birthday.

JS Date
Aspect Ratio Calculator thumbnail

Aspect Ratio Calculator

Calculate aspect ratios and missing dimensions easily.

JS Math
BMI Calculator thumbnail

BMI Calculator

Calculate your Body Mass Index and check your health status.

JS Math
Binary <-> Text Converter thumbnail

Binary <-> Text Converter

Convert text to binary and binary back to text.

JS Native
Case Converter thumbnail

Case Converter

Transform text between uppercase, lowercase, title case, and more.

JS Native
Date Calculator thumbnail

Date Calculator

Add or subtract days, months, and years from any date.

Date-fns
List Randomizer / Pick a Winner thumbnail

List Randomizer / Pick a Winner

Shuffle lists or pick a random winner from your entries.

JS Math
Secure Password Generator thumbnail

Secure Password Generator

Generate strong, random passwords with custom requirements.

Crypto API
Percentage Calculator thumbnail

Percentage Calculator

Solve any percentage-related calculation instantly.

JS Math
Remove Duplicate Lines thumbnail

Remove Duplicate Lines

Clean up your lists by removing all duplicate entries.

JS Set
Reverse Text Tool thumbnail

Reverse Text Tool

Flip your text or words backwards instantly.

JS Native
Stopwatch & Timer thumbnail

Stopwatch & Timer

Simple browser-based stopwatch and countdown timer.

JS Native
Text Repeater thumbnail

Text Repeater

Repeat text as many times as you need with custom separators.

JS Native
Text Finder & Replacer thumbnail

Text Finder & Replacer

Find and replace text or patterns using Regex.

JS Native
Word & Character Counter thumbnail

Word & Character Counter

Get detailed statistics about your text and reading time.

JS Native
Circle Image Cropper thumbnail

Circle Image Cropper

Crop your images into perfect circles for avatars/ profile image.

Canvas API
Image Compressor thumbnail

Image Compressor

Reduce image file size while keeping visual quality.

Browser Canvas
Image Converter thumbnail

Image Converter

Convert images between PNG, JPG, and WEBP formats.

Browser Canvas
Image Resizer thumbnail

Image Resizer

Change image dimensions to specific widths and heights.

Browser Canvas
Color Picker from Image thumbnail

Color Picker from Image

Extract colors and hex codes from any image.

Canvas API
Image Splitter (Grid) thumbnail

Image Splitter (Grid)

Split images into grids for social media or prints.

Canvas API
Pixelate Image thumbnail

Pixelate Image

Censor or add a pixelated effect to your images instantly.

Canvas API
Round Corner Image thumbnail

Round Corner Image

Add smooth rounded corners to your images.

Canvas API
SVG to PNG Converter thumbnail

SVG to PNG Converter

Convert vector SVG files into raster PNG images.

Canvas API
SVG Optimizer thumbnail

SVG Optimizer

Optimize and reduce the size of your SVG files.

Svgo (JS)
WebP to JPG Converter thumbnail

WebP to JPG Converter

Convert WebP images to JPG format easily.

Canvas API
Voice Recorder thumbnail

Voice Recorder

Powerful offline-first voice recording with built-in editing tools.

MediaRecorder API
Audio Trimmer thumbnail

Audio Trimmer

Cut and trim your audio files with millisecond precision.

Web Audio API
Audio Booster thumbnail

Audio Booster

Increase the volume of your audio files safely in your browser.

Web Audio API
Silence Remover thumbnail

Silence Remover

Automatically detect and remove silent parts from your recordings.

Web Audio API
Audio Extractor (MP3) thumbnail

Audio Extractor (MP3)

Extract the audio track from any video file securely in your browser.

Web Audio API
Audio Joiner thumbnail

Audio Joiner

Merge multiple audio files into one continuous track.

Web Audio API
Extract Frames (to JPG) thumbnail

Extract Frames (to JPG)

Capture high-resolution frames and thumbnails from any video file.

Canvas API
Rotate PDF thumbnail

Rotate PDF

Rotate pages in your PDF document to any orientation.

PDF-lib
Delete PDF Pages thumbnail

Delete PDF Pages

Remove unwanted pages from your PDF document easily.

PDF-lib
PDF Metadata Editor thumbnail

PDF Metadata Editor

View and edit metadata (title, author, keywords) of your PDF files.

PDF-lib
CSV to JSON Converter thumbnail

CSV to JSON Converter

Convert CSV data to JSON objects instantly.

Papaparse
JSON to CSV Converter thumbnail

JSON to CSV Converter

Convert JSON arrays to CSV format and download them.

Papaparse
Bcrypt Generator & Verifier thumbnail

Bcrypt Generator & Verifier

Generate and verify Bcrypt hashes securely in your browser.

Bcrypt.js
YAML <-> JSON Converter thumbnail

YAML <-> JSON Converter

Convert between YAML and JSON formats instantly.

js-yaml
YAML Validator thumbnail

YAML Validator

Validate YAML syntax and check for errors.

js-yaml
XML Formatter thumbnail

XML Formatter

Beautify and format messy XML data.

xml-formatter
Diff Checker thumbnail

Diff Checker

Compare two blocks of text and highlight the differences.

jsdiff
JS/CSS Minifier thumbnail

JS/CSS Minifier

Minify your JavaScript and CSS code for better performance.

@swc/wasm-web
Regex Tester thumbnail

Regex Tester

Test and debug your regular expressions with live highlighting.

rregex
Emoji Picker thumbnail

Emoji Picker

Browse, search, and copy emojis easily for your social media and messages.

Emoji-Mart
ASCII Art Generator thumbnail

ASCII Art Generator

Convert text to creative ASCII art using various fonts.

Figlet.js
Barcode Generator thumbnail

Barcode Generator

Generate various barcode formats for inventory and retail.

JsBarcode
DNS Lookup thumbnail

DNS Lookup

Fetch and analyze DNS records for any domain name instantly.

DoH API
Password Strength Checker thumbnail

Password Strength Checker

Analyze the strength of your passwords and get feedback on how to improve them.

Zxcvbn (Wasm)
Text to Speech thumbnail

Text to Speech

Convert written text into natural-sounding speech directly in your browser.

Web Speech API
Whois Lookup thumbnail

Whois Lookup

Find registration and availability information for any domain.

RDAP API
Internet Speed Test thumbnail

Internet Speed Test

Test your internet download speed instantly in your browser.

JS Native
IP Address Location thumbnail

IP Address Location

Find your public IP address and its geographical location.

IP API
Bulk Image Resizer thumbnail

Bulk Image Resizer

Resize multiple images at once to specific dimensions or percentages.

Browser Canvas + JSZip
Exif Data Viewer thumbnail

Exif Data Viewer

View detailed metadata and EXIF tags from your images.

ExifReader
EXIF Remover thumbnail

EXIF Remover

Remove EXIF metadata from your images to protect your privacy.

ExifReader
Overlay/Watermark Image thumbnail

Overlay/Watermark Image

Add watermarks or overlay images onto your photos with custom positioning and transparency.

Canvas API
Passport Photo Formatter thumbnail

Passport Photo Formatter

Format and resize photos to match common passport and ID photo dimensions with alignment guides.

Canvas API
Photo Filters (Instagram) thumbnail

Photo Filters (Instagram)

Apply aesthetic filters and adjustments to your photos instantly.

WebGL Shaders / CSS
HEIC to JPG Converter thumbnail

HEIC to JPG Converter

Convert HEIC/HEIF images from iPhone/Android to standard JPG format.

heic2any
ICO Converter thumbnail

ICO Converter

Convert PNG or JPG images to ICO format for website favicons.

Canvas API
Meme Generator thumbnail

Meme Generator

Create memes by adding custom text to images instantly.

Canvas API
Screen Recorder thumbnail

Screen Recorder

Record your screen, window, or tab instantly in your browser. No watermarks.

MediaRecorder API
Video Rotate thumbnail

Video Rotate

Rotate your video files locally using high-performance WASM and metadata injection.

FFmpeg.wasm
Video to MP3 thumbnail

Video to MP3

Extract the audio track from your video files and save it as a high-quality MP3.

FFmpeg.wasm
GIF to MP4 Converter thumbnail

GIF to MP4 Converter

Fast, high-quality GIF to MP4 conversion in your browser.

FFmpeg.wasm
Mute Video thumbnail

Mute Video

Quickly remove audio tracks from your video files.

FFmpeg.wasm
Markdown to PDF thumbnail

Markdown to PDF

Convert your Markdown documents into professional PDF files instantly.

Marked + jspdf
Merge PDF thumbnail

Merge PDF

Combine multiple PDF files into one in any order you choose.

pdf-lib
Webcam Recorder thumbnail

Webcam Recorder

Record high-quality video messages from your webcam directly in your browser.

MediaRecorder API
Add Page Numbers to PDF thumbnail

Add Page Numbers to PDF

Add custom pagination and page numbers to your PDF documents easily.

pdf-lib
Add Watermark to PDF thumbnail

Add Watermark to PDF

Protect your PDF documents by adding text or image watermarks with custom opacity and positioning.

pdf-lib
JPG to PDF thumbnail

JPG to PDF

Convert multiple JPG, PNG, or WebP images into a single professional PDF document.

pdf-lib
CAGR Calculator thumbnail

CAGR Calculator

Measure the smoothed annualized return of an investment over a specific time period.

WASM / JS Native
Compound Interest & Savings Calculator thumbnail

Compound Interest & Savings Calculator

Calculate how your savings or investments grow over time with compound interest.

WASM / JS Native
ROI Calculator thumbnail

ROI Calculator

Determine the profitability of an investment with a simple ROI percentage.

WASM / JS Native
Loan & Mortgage Amortization Calculator thumbnail

Loan & Mortgage Amortization Calculator

Calculate monthly payments and see a full amortization schedule for your loans.

WASM / JS Native
Salary to Hourly Converter thumbnail

Salary to Hourly Converter

Convert annual salary to hourly rate and see a full income breakdown.

WASM / JS Native
Universal Volume Calculator thumbnail

Universal Volume Calculator

Calculate the volume of various shapes with precise unit conversions.

WASM / JS Native
Area & Square Footage Calculator thumbnail

Area & Square Footage Calculator

Calculate surface area for flooring, painting, or landscaping.

WASM / JS Native
Resume Chart from PNG thumbnail

Resume Chart from PNG

Paste or drop any LokalTools chart PNG to instantly resume editing it — all your data and settings are fully restored.

JS Native
General Chart Builder thumbnail

General Chart Builder

Build bar, line, pie, and area charts from pasted data. Export to PPTX, PNG, or SVG — privately in your browser.

Apache ECharts + PptxGenJS
Waterfall Chart thumbnail

Waterfall Chart

Visualize financial bridges and cumulative change with positive/negative drivers.

Apache ECharts + PptxGenJS
Bubble Chart thumbnail

Bubble Chart

Plot X, Y, and bubble-size (Z) data points. Great for portfolio analysis and BCG matrices.

Apache ECharts + PptxGenJS
Gantt Chart thumbnail

Gantt Chart

Create project timelines from task name, start date, and end date columns.

Apache ECharts + PptxGenJS
Gantt Chart (Gen 2) thumbnail

Gantt Chart (Gen 2)

Professional Gantt chart with hierarchy roll-ups, milestones, and critical path highlighting.

Apache ECharts (Custom Series) + PptxGenJS
Sankey Diagram thumbnail

Sankey Diagram

Visualize flow between nodes — revenue, energy, traffic, or any proportional flow.

Apache ECharts + PptxGenJS
Scatter Plot thumbnail

Scatter Plot

Plot X vs Y data with optional trendline and category color-coding.

Apache ECharts + PptxGenJS
Heatmap Chart thumbnail

Heatmap Chart

Show intensity patterns across rows and columns using a color gradient.

Apache ECharts + PptxGenJS
Sales & Conversion Funnel thumbnail

Sales & Conversion Funnel

Track conversion stages with automatic drop-off percentage calculation.

Apache ECharts + PptxGenJS
Marimekko (Mekko) Chart thumbnail

Marimekko (Mekko) Chart

Visualize categorical data using variable column widths and segment heights.

Apache ECharts + PptxGenJS
Treemap Chart thumbnail

Treemap Chart

Visualize hierarchical data using nested rectangles proportional to value.

Apache ECharts + PptxGenJS
Box Plot thumbnail

Box Plot

Display data distribution using min, Q1, median, Q3, and max values.

Apache ECharts + PptxGenJS
Radar / Spider Chart thumbnail

Radar / Spider Chart

Compare multiple quantitative variables on a two-dimensional graph.

Apache ECharts + PptxGenJS
Value Driver Tree thumbnail

Value Driver Tree

Map business metrics to track how operational levers drive financial outcomes.

Apache ECharts + PptxGenJS
Double Materiality Matrix thumbnail

Double Materiality Matrix

Assess ESG topics by environmental/social impact vs financial impact.

Apache ECharts + PptxGenJS
Bullet Graph thumbnail

Bullet Graph

Track KPI performance against targets and qualitative ranges cleanly without dashboard clutter.

Apache ECharts + PptxGenJS
Forest Plot thumbnail

Forest Plot

Visualize results from multiple academic, medical, or scientific studies.

Apache ECharts + PptxGenJS
Choropleth Map thumbnail

Choropleth Map

Visualize regional data on geographic maps using color intensity.

Apache ECharts + PptxGenJS
Glyph / Symbol Map thumbnail

Glyph / Symbol Map

Overlay icons, bubbles, and mini-charts over geographic maps for multi-dimensional analysis.

Apache ECharts + PptxGenJS
Sunburst Chart thumbnail

Sunburst Chart

Visualize hierarchical data as concentric rings.

Apache ECharts + PptxGenJS
Candlestick Chart thumbnail

Candlestick Chart

Analyze price movements showing open, high, low, and close values.

Apache ECharts + PptxGenJS
Network Diagram thumbnail

Network Diagram

Visualize relationships and connections between multiple nodes using a force-directed layout.

Apache ECharts + PptxGenJS
Violin Plot thumbnail

Violin Plot

Compare data distribution and probability density simultaneously.

Apache ECharts + PptxGenJS
Pictogram Chart thumbnail

Pictogram Chart

Create engaging infographic charts using repeated or scaled icons.

Apache ECharts + PptxGenJS