File to URL and Base64
Understand Data URLs, raw Base64, size overhead, and which output developers should use.
Read the encoding guideLearning center
File Conversion Guides
Useful conversion is more than changing an extension. These guides explain what data survives, what can be lost, and how to check the result before you rely on it.
Convert images to AVIF
Compare AVIF with WebP and JPEG, check compatibility, and convert without uploading.
Read the AVIF guideGenerate a QR code PNG
Create, download, size, and test a QR image before using it online or in print.
Read the QR guideImage aspect ratios
Calculate matching dimensions and resize images without stretching the content.
Read the sizing guideHow browser conversion works
Understand local processing, memory limits, downloads, and why some file types need specialist software.
Read the guidePDF conversion quality
Learn why selectable text, scans, columns, tables, fonts, and forms produce different Word results.
Read the guidePNG, JPEG and WebP
Compare transparency, compression, editing quality, compatibility, and good uses for each image format.
Compare image formatsCSV and JSON conversion
A practical look at headers, data types, nested records, delimiters, character encoding, and validation.
Read the data guidePrivate file conversion
Know what browser-based processing protects, what website services can still see, and how to handle sensitive files.
Read the privacy guideCompress images for email
Reduce dimensions and file size while keeping text, faces, and product details readable.
Read the compression guidePDF to Word without uploading
Use a local workflow, understand its limits, and decide when OCR or desktop software is the better choice.
Read the PDF guide