All online tools
Browse every tool entry inside the main toolconv site by task type.
Unit Converter
Convert units of length, weight, temperature, speed, and more.
Length Converter
Convert between units of length: meters, feet, inches, km, miles.
Weight Converter
Convert between units of weight: kg, lb, oz, grams.
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin.
Speed Converter
Convert between speed units: km/h, mph, m/s, knots.
Area Converter
Convert between area units: sqm, sqft, acres, hectares.
Volume Converter
Convert between volume units: liters, gallons, cups, ml.
Time Converter
Convert between time units: seconds, minutes, hours, days.
Data Storage Converter
Convert between data units: bytes, KB, MB, GB, TB.
Pressure Converter
Convert between pressure units: Pa, bar, PSI, atm.
Energy Converter
Convert between energy units: joules, calories, kWh, BTU.
Image Tools
Compress, resize, crop, convert, and edit images online.
Image Compressor
Compress JPG, PNG, WebP images online. Reduce file size while keeping quality.
Image Resizer
Resize images online to exact dimensions. Social media presets included.
Image Cropper
Crop images online with aspect ratio presets.
Rotate & Flip Image
Rotate images 90°, 180°, 270° or flip horizontally/vertically.
Image Watermark
Add text or image watermarks to protect your photos.
Color Palette Extractor
Extract dominant colors and generate palettes from any image.
Favicon Generator
Generate favicons and app icons from any image.
Screenshot Beautifier
Add beautiful backgrounds and device frames to screenshots.
Image to Base64
Convert images to Base64 encoded strings.
Instagram Grid Maker
Split images into Instagram grid layout.
Image Collage Maker
Combine multiple photos into beautiful collage layouts.
Remove EXIF Data
Strip EXIF metadata from photos for privacy.
SVG Editor
Edit and optimize SVG files online.
PDF Tools
Merge, split, compress, convert, and edit PDF files.
Merge PDF
Combine multiple PDF files into one document.
Split PDF
Split a PDF into multiple documents by page range.
Organize PDF Pages
Reorder, delete, and rearrange pages in your PDF.
Compress PDF
Reduce PDF file size while maintaining quality.
PDF to Word
Convert PDF to editable Word documents.
PDF to JPG
Convert PDF pages to JPG images.
JPG to PDF
Convert JPG images to a PDF document.
PDF to PNG
Convert PDF pages to PNG images.
PDF to Image
Convert PDF pages to high-quality images.
PDF to Text
Extract text from PDF files.
Word to PDF
Convert Word documents to PDF.
Excel to PDF
Convert Excel spreadsheets to PDF.
PDF to PowerPoint
Convert PDF to PowerPoint presentations.
PDF to Excel
Convert PDF tables to Excel spreadsheets.
Edit PDF
Add text, images, and annotations to PDF.
Watermark PDF
Add watermarks to PDF documents.
Rotate PDF
Rotate PDF pages by 90°, 180°, or 270°.
Add Page Numbers
Add page numbers to PDF documents.
Crop PDF
Crop PDF pages to remove unwanted margins.
Sign PDF
Add your signature to PDF documents.
Protect PDF
Add password protection to PDF files.
Unlock PDF
Remove password protection from PDF files.
HTML to PDF
Convert HTML web pages to PDF.
Markdown to PDF
Convert Markdown documents to PDF.
HEIC to PDF
Convert HEIC/HEIF photos to PDF.
OCR PDF
Extract text from scanned PDFs using OCR.
Audio Tools
Convert, trim, merge, compress, and adjust audio files.
Audio Converter
Convert audio files between MP3, WAV, OGG, AAC, and more.
Audio Trimmer
Cut and trim audio files to exact ranges.
Audio Merger
Combine multiple audio files into one.
Audio Compressor
Reduce audio file size while maintaining quality.
Audio Volume Adjuster
Increase or decrease audio volume.
Audio Speed Changer
Change the playback speed of audio files.
Extract Audio from Video
Extract audio track from video files.
Calculators
Math, finance, health, date-time, and construction calculators.
Percentage Calculator
Calculate percentages, percentage change, and percentage of a number.
Percentage Change Calculator
Calculate the percentage increase or decrease between two values.
Fraction Calculator
Add, subtract, multiply, and divide fractions.
Ratio Calculator
Simplify ratios and find equivalent ratios.
Average Calculator
Calculate the mean, median, and mode of a data set.
Discount Calculator
Calculate sale prices after discounts.
Age Calculator
Calculate your exact age in years, months, and days.
Date Difference Calculator
Calculate the number of days between two dates.
Add/Subtract Days Calculator
Add or subtract days from a date.
Business Days Calculator
Calculate business days between two dates.
Hours Calculator
Calculate hours and minutes between two times.
Time Card Calculator
Calculate total work hours from time entries.
Loan Calculator
Calculate monthly payments and total interest.
Mortgage Calculator
Calculate mortgage payments and affordability.
Compound Interest Calculator
Calculate compound interest and investment growth.
Simple Interest Calculator
Calculate simple interest on a principal.
Savings Calculator
Calculate savings growth with regular deposits.
Investment Return Calculator
Calculate ROI and annualized returns.
Monthly Payment Calculator
Calculate monthly payments for loans.
Amortization Calculator
Generate a full amortization schedule.
BMI Calculator
Calculate your Body Mass Index.
BMR Calculator
Calculate your Basal Metabolic Rate.
TDEE Calculator
Calculate Total Daily Energy Expenditure.
Calorie Calculator
Calculate daily calorie needs.
Body Fat Calculator
Estimate your body fat percentage.
Running Pace Calculator
Calculate running pace and finish times.
Concrete Calculator
Calculate concrete volume needed.
Paint Calculator
Estimate paint needed for surfaces.
Tile Calculator
Calculate tiles needed for floor or wall.
Flooring Calculator
Estimate flooring material needed.
Data Tools
Format, convert, validate, and transform JSON, CSV, Excel, YAML, SQL.
JSON Formatter & Validator
Format, validate, and beautify JSON data.
JSON Diff
Compare two JSON files and find differences.
JSON to CSV
Convert JSON data to CSV format.
CSV to JSON
Convert CSV data to JSON format.
JSON to XML
Convert JSON data to XML format.
XML to JSON
Convert XML data to JSON format.
JSON to YAML
Convert JSON data to YAML format.
YAML to JSON
Convert YAML data to JSON format.
CSV Viewer
View and preview CSV data in a table.
CSV Split
Split large CSV files into smaller ones.
CSV Merge
Combine multiple CSV files into one.
CSV Remove Duplicates
Remove duplicate rows from CSV files.
Excel to CSV
Convert Excel spreadsheets to CSV format.
CSV to Excel
Convert CSV data to Excel format.
Excel to JSON
Convert Excel spreadsheets to JSON format.
JSON to Excel
Convert JSON data to Excel format.
XML Formatter
Format and beautify XML data.
YAML Validator
Validate and format YAML data.
SQL Formatter
Format and beautify SQL queries.
Regex Tester
Test regular expressions with real-time matching.
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates.
QR & Barcode
Generate and scan QR codes, barcodes, and labels.
URL QR Code Generator
Generate QR codes for URLs and links.
Wi-Fi QR Code Generator
Generate QR codes for Wi-Fi network credentials.
vCard QR Code Generator
Generate QR codes for contact information.
Email QR Code Generator
Generate QR codes for email addresses.
SMS QR Code Generator
Generate QR codes for SMS messages.
Phone QR Code Generator
Generate QR codes for phone numbers.
Calendar Event QR Code Generator
Generate QR codes for calendar events.
QR Code Scanner
Scan and decode QR codes from images or camera.
QR Code With Logo
Generate QR codes with custom logos and colors.
Bulk QR Code Generator
Generate multiple QR codes at once from a list.
Barcode Generator
Generate barcodes in Code 128, EAN, UPC formats.
GS1 Check Digit Calculator
Calculate GS1 check digits for GTINs.
Printable Barcode Labels
Generate printable barcode label sheets.
Video Tools
Convert, trim, compress, resize, and edit video files.
Video Converter
Convert video files between formats.
Video to GIF
Convert video clips to animated GIFs.
GIF to Video
Convert animated GIFs to video files.
Extract Audio from Video
Extract audio from video files.
Video Trimmer
Cut and trim video clips.
Video Compressor
Reduce video file size while maintaining quality.
Video Resizer
Resize videos to different dimensions.
Video Rotator
Rotate video by 90°, 180°, or 270°.
Video Speed Changer
Change the playback speed of videos.
Reverse Video
Play video in reverse.
Mute Video
Remove audio from video files.
Video Volume Adjuster
Adjust video volume level.
Video Watermark
Add text or image watermarks to videos.
Video Subtitles
Add subtitles to video files.
Web Tools
SEO, diagnostics, developer utilities, and web analysis.
UTM Builder
Create campaign URLs with UTM parameters.
Meta Tag Generator
Generate title, description, and social metadata.
Open Graph Preview
Preview social cards and generate OG tags.
Robots.txt Tester
Test whether a page is allowed by robots.txt.
Sitemap Validator
Validate XML sitemaps and inspect URLs.
Hreflang Generator
Generate hreflang tags for multilingual pages.
Redirect Checker
Follow redirect hops and detect loops.
HTTP Header Checker
Inspect response headers with caching guidance.
SSL Certificate Checker
Review SSL certificate details and validity.
DNS Lookup
Resolve DNS records for a domain.
IP/Subnet Calculator
Calculate IPv4 network, broadcast, and host range.
JWT Decoder
Decode JWT headers and payloads locally.
UUID Generator
Generate secure UUID v4 identifiers.
Hash Generator
Generate SHA-256, SHA-384, or SHA-512 hashes.