Converters
Converters Calculators
Convert files, measurements, formats, and everyday units in the browser.
7 tools
base64 encoder decoder
Encode/decode Base64 and preview images.
csv to json converter
Turn CSV data into JSON with options.
image resizer
Resize images without uploading to a server.
pdf to jpg converter
Convert PDF pages to images directly in your browser.
sitemap validator
Validate XML sitemap and robots basics.
text case converter
Change text case in one click.
Featured
unit converter
Convert common units instantly.
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How to use this collection
Choose the calculator that matches the decision you are making. Each tool explains its assumptions and keeps the primary calculation separate from any commercial recommendation.