Convert files instantly.
Nothing is ever uploaded.
All transformations happen right inside your browser window. Zero latency, zero server compute bills, and total data privacy.
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Auto-detects format (PNG, JPG, PDF, SVG, CSV, JSON, Markdown)
All Conversion Tools
Select a specialized tool or search by format extension
Image Tools
Convert, compress, and resize photos and graphics via client-side Canvas.
PNG to JPG Converter
Convert transparent or solid PNG images to standard high-quality JPG format instantly.
JPG to PNG Converter
Convert JPG and JPEG files to crisp, lossless PNG format directly in your browser.
WebP to PNG Converter
Convert modern WebP images to standard PNG with full alpha transparency preserved.
PNG to WebP Converter
Convert PNG images into lightweight WebP format to speed up your website.
Image Compressor
Compress JPG, PNG, and WebP images client-side with before/after size transparency.
Image Resizer
Resize image dimensions by exact pixels or percentage with aspect ratio lock.
SVG to PNG Converter
Rasterize vector SVG files into crisp PNG images at 1x, 2x, or 4x high-res scale.
Image to Base64 Converter
Convert any image into a Base64 string and HTML/CSS Data URL snippet.
Base64 to Image Converter
Decode Base64 strings or Data URLs back into downloadable image files.
PDF Tools
Merge, split, compress, and convert PDF documents in your browser.
Images to PDF Converter
Combine multiple JPG, PNG, and WebP images into a single clean PDF document.
PDF to Images Converter
Render each page of a PDF file into high-quality JPG image files.
Merge PDF Files
Combine multiple PDF documents into a single organized PDF file.
Split PDF
Extract page ranges or split a PDF into separate documents.
Remove Pages from PDF
Visually select and delete unwanted or blank pages from any PDF file.
Compress PDF
Reduce PDF file size client-side for easy email sharing and fast uploading.
Data & Text
Convert and format CSV, JSON, and Markdown files with zero server roundtrips.
CSV to JSON Converter
Convert CSV spreadsheets and tabular data into clean, structured JSON format.
JSON to CSV Converter
Convert JSON arrays and objects into downloadable CSV spreadsheet files.
Markdown to HTML Converter
Convert Markdown syntax into semantic HTML code with live preview.
JSON Formatter & Validator
Beautify, validate, and minify JSON data with exact syntax error highlighting.
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Why 100% Client-Side Conversion Matters
The internet is flooded with online converters that quietly store your files. ConvertBench is built differently.
Real Data Privacy
Other converters upload your contracts, tax returns, and personal photos to remote cloud servers. With ConvertBench, files never leave your device.
Instant Speed
Skip long upload and download queues. Your browser hardware processes pixels and document streams immediately.
No Server Limits
No arbitrary 5MB file limits or server timeout cutoffs. If your device has enough memory to render it, it can convert it.