Prepare an application photo
Crop your image, set the dimensions, then fit it under the form’s file-size limit.
A practical toolkit for everyday work
Small tasks, sorted.
Right in your browser.
Free image, PDF and text tools, calculators, developer utilities and DNS checks.
Find what you need, get your result, and get on with your day.
Try:
No sign-upProcessed on your deviceFree to use
A good place to start
Six useful tools from the launch collection
Resize Image to Exact KBFit an image under a KB limit and see the size actually achieved.Profit Margin CalculatorCalculate gross profit and margin from your cost and revenue.JWT DecoderRead a JWT’s JSON header and payload locally, without verifying it.Compress ImageReduce image file size by adjusting format, quality and dimensions.Percentage Change CalculatorMeasure the percentage increase or decrease between two values.CSV to JSONConvert CSV rows to JSON with quoted-field support and strict validation.
Find your kind of tool
49 tools. 6 focused collections.8 free tools
Image tools
Prepare images for forms, websites and everyday sharing.
Explore image tools →12 free toolsCalculators
Work out prices, percentages and business days.
Explore calculators →12 free toolsDeveloper tools
Transform, decode and inspect data without sending it away.
Explore developer tools →4 free toolsNetwork tools
Look up DNS records and nameservers, check zone records offline and plan subnets.
Explore network tools →7 free toolsText tools
Count, clean, convert and compare text without pasting it into a server.
Explore text tools →6 free toolsPDF tools
Merge, split, rotate and reorder PDFs, or turn images into a PDF, on your device.
Explore pdf tools →A few tools, one finished task
Check a product price
Set your markup, understand the margin, and check what a discount would change.
Make sense of a token
Read a JWT payload, then turn its time claims into understandable dates.