4 tools
Browser-first tools for daily work.
Use small utilities for development, office work, PDF handling, images, and data cleanup. Most tools run locally in your browser.
Browser localNo uploadSMARTWAY Inc.
Privacy first. Client-side tools run in your browser and do not upload your input to SMARTWAY servers.
Available tools
Tools are selected for long-tail utility, low maintenance, and local processing where possible.
JSON
JSON Formatter
Format, validate, and minify JSON in your browser. No upload.
Open EncodingBase64
Encode or decode Base64 text in your browser. No upload.
Open URLURL Encode / Decode
Encode or decode URLs and query strings locally.
Open URLURL Parser
Parse URLs and query parameters in your browser.
Open QRQR Code Generator
Generate a static QR code in your browser. No upload.
Open TextWord Counter
Count words, characters, lines, and reading time locally.
Open TextText Diff
Compare two text blocks locally and highlight changes.
Open TextCase Converter
Convert text to uppercase, lowercase, title case, sentence case, camelCase, snake_case, and kebab-case in your browser.
Open MathCalculator
Use standard, scientific, and financial calculations in your browser.
Open FinanceMortgage Calculator
Estimate equal payment and equal principal mortgage repayments in your browser.
Open FinanceCurrency Converter
Convert major and many global currencies with latest or historical exchange rates from the Frankfurter API.
Open MathUnit Converter
Convert length, weight, temperature, area, volume, speed, and data size locally in your browser.
Open MarkdownMarkdown Table
Create Markdown tables from manual input, CSV, TSV, or spreadsheet paste.
Open DeveloperCSV to JSON
Convert CSV or TSV to JSON in your browser. No upload.
Open DeveloperJSON to CSV
Convert JSON object arrays or a single object to CSV in your browser. No upload.
Open DeveloperDNS Lookup
Check A, AAAA, MX, TXT, NS, and CNAME records with the Google Public DNS JSON API.
Open DeveloperFile MD5 Compare
Calculate MD5 hashes for two files in your browser and check whether they match. No upload.
Open PDFPDF Merge
Merge multiple PDF files in order in your browser. No upload.
Open PDFPDF Split
Split PDF files in your browser. Extract page ranges, split every page, or split by fixed page count. No upload.
Open PDFPDF Page Numbers
Add page numbers to a PDF in your browser. Choose position, skip cover, start page, first number, and format. No upload.
Open PDFJPG to PDF
Convert JPG, PNG, and WebP images to a PDF in your browser. Multiple images, reorder, A4, margins, and no upload.
Open PDFPDF to JPG
Convert PDF pages to JPG images in your browser. Choose page range, quality, and scale. No upload.
Open AudioWAV to MP3
Convert WAV audio files to MP3 in your browser. Choose bitrate, see file size, and download without uploading audio to SMARTWAY servers.
Open AudioMP3 Player
Play MP3, WAV, OGG, and M4A files in your browser with a simple playlist. No upload.
Open WeatherWeather Forecast
Check today's weather and a 7 day forecast by approximate IP location, city name, or coordinates. Uses third-party weather and IP services.
Open TimeTime Zone Converter
Convert meeting times between Tokyo, UTC, New York, London, Singapore, and other IANA time zones. Runs locally in your browser.
Open TimeTimestamp Converter
Convert Unix timestamps to dates and dates to Unix timestamps locally in your browser. Seconds and milliseconds are supported.
Open TimeAge Calculator
Calculate age from a birth date, days until the next birthday, and the difference between two dates in your browser.
Open ImageImage Color Picker
Pick colors from an image and copy HEX, RGB, and HSL values in your browser. No upload.
Open ImageFavicon Generator
Generate favicon and app icon PNG files from an image in your browser. Common sizes from 16x16 to 512x512. No upload.
Open ImageEXIF Remover
Remove common photo metadata such as location, camera details, and capture time in your browser. No upload.
Open ImageImage Compressor
Compress JPG, PNG, and WebP images locally.
Open ImageImage Resizer
Resize JPG, PNG, and WebP images locally.
Open ImageWebP to PNG
Convert WebP images to PNG locally.
Open ImagePNG to WebP
Convert PNG images to WebP locally.
OpenBrowse by Category
Tools are grouped by practical use case so search engines and users can understand the matrix.
5 toolsPDF
2 tools
Audio
1 tools
Weather
3 tools
Time
3 tools
Text
7 tools
Image
2 tools
Finance
1 tools
QR
1 tools
Markdown
1 tools
JSON
2 tools
URL
1 tools
Encoding
2 tools
Math
Commonly Used Tools
Open frequent tools for JSON, CSV, PDF, images, calculations, QR codes, and Markdown.
JSON
JSON Formatter
Format, validate, and minify JSON in your browser. No upload.
Open DeveloperCSV to JSON
Convert CSV or TSV to JSON in your browser. No upload.
Open DeveloperDNS Lookup
Check A, AAAA, MX, TXT, NS, and CNAME records with the Google Public DNS JSON API.
Open DeveloperFile MD5 Compare
Calculate MD5 hashes for two files in your browser and check whether they match. No upload.
Open TextCase Converter
Convert text to uppercase, lowercase, title case, sentence case, camelCase, snake_case, and kebab-case in your browser.
Open PDFPDF to JPG
Convert PDF pages to JPG images in your browser. Choose page range, quality, and scale. No upload.
Open PDFJPG to PDF
Convert JPG, PNG, and WebP images to a PDF in your browser. Multiple images, reorder, A4, margins, and no upload.
Open PDFPDF Page Numbers
Add page numbers to a PDF in your browser. Choose position, skip cover, start page, first number, and format. No upload.
Open PDFPDF Merge
Merge multiple PDF files in order in your browser. No upload.
Open ImageFavicon Generator
Generate favicon and app icon PNG files from an image in your browser. Common sizes from 16x16 to 512x512. No upload.
Open ImageEXIF Remover
Remove common photo metadata such as location, camera details, and capture time in your browser. No upload.
Open AudioWAV to MP3
Convert WAV audio files to MP3 in your browser. Choose bitrate, see file size, and download without uploading audio to SMARTWAY servers.
Open AudioMP3 Player
Play MP3, WAV, OGG, and M4A files in your browser with a simple playlist. No upload.
Open FinanceCurrency Converter
Convert major and many global currencies with latest or historical exchange rates from the Frankfurter API.
Open MathUnit Converter
Convert length, weight, temperature, area, volume, speed, and data size locally in your browser.
Open WeatherWeather Forecast
Check today's weather and a 7 day forecast by approximate IP location, city name, or coordinates. Uses third-party weather and IP services.
Open TimeTime Zone Converter
Convert meeting times between Tokyo, UTC, New York, London, Singapore, and other IANA time zones. Runs locally in your browser.
Open TimeTimestamp Converter
Convert Unix timestamps to dates and dates to Unix timestamps locally in your browser. Seconds and milliseconds are supported.
Open TimeAge Calculator
Calculate age from a birth date, days until the next birthday, and the difference between two dates in your browser.
Open ImageImage Color Picker
Pick colors from an image and copy HEX, RGB, and HSL values in your browser. No upload.
Open ImageImage Compressor
Compress JPG, PNG, and WebP images locally.
Open