Merge, convert, compress, and format without installing software. Core tools run directly in your browser, so supported files stay on your device.
Privacy-first
Supported files stay local.
Ready when you are
No signup or download.
53+ free tools
PDF, image, text, and data.
Common tools for PDF merging, text extraction, data conversion, and image compression. Processing details and supported formats are listed on each tool page.
Shrink the file size of PDF documents directly in your browser. Re-encodes embedded image resources using our high-speed local engine to save up to 90% space.
Combine multiple PDF documents into a single file with our free online PDF merger. Simply drag and drop your files, rearrange them, and merge instantly.
Extract all text content from PDF documents instantly. Our PDF to text converter handles native PDFs with selectable text, making it easy to copy content.
Transform JSON data into CSV spreadsheet format. Our converter handles large datasets, nested objects, and arrays without crashing—perfect for analysis.
Convert CSV spreadsheet data to JSON format for web apps and APIs. Automatically generates properly structured JSON from tabular data.
Reduce image file sizes while maintaining visual quality. Our smart compression algorithms find the optimal balance between size reduction and clarity.
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Choose a category when you know the job, but not the exact tool name.
Built for everyday work
File tools built by an independent developer for everyday PDF, image, text, and data work. Most file operations run in your browser, without an account.
For supported tools, your browser does the work. That removes the wait for an upload and download, although speed still depends on the file and your device.
Core file processing is designed to happen locally. Check each tool's page for its supported formats and processing details before using sensitive material.
FileMint does not require an account or subscription for its core tools. Very large files can still be limited by available browser memory.
Traditional file converters force you to upload your data to their servers, process it, and send it back. We run the conversion engines directly in your browser using modern web APIs.
WebAssembly (WASM): Heavy workloads like PDF manipulation and image compression run at near-native speed.
Web Workers: Intensive operations happen on background threads, keeping the UI smooth and responsive.
// Traditional Converter Pipeline
upload() -> serverProcess() -> download()
// FileMint Pipeline
const file = await readFileToMemory();
const result = await wasm.process(file);
downloadLocalFile(result);
A practical comparison of product behavior that matters for privacy, usability, and long-term trust.
| Area | FileMint | Typical Pattern |
|---|---|---|
Primary processing model File conversion and editing workflows run locally when browser APIs are available. | Client-side processing in the browser | Often server-side processing after upload |
Account requirement Users can open tools directly without creating a profile. | No account required for core tools | Registration commonly required for higher usage |
Pricing model No trial countdowns for standard workflows. | Free access across the tool suite | Freemium with gated features or quotas |
Offline behavior Progressive Web App support improves reliability for unstable connections. | Many workflows available after first load | Commonly blocked when network is unavailable |
Core file operations are designed to run on-device, reducing exposure of sensitive files during normal use.
By reducing network round-trips, users usually see faster feedback on common editing and conversion tasks.
PWA-ready architecture helps users continue with many workflows when internet access is limited.
A free and no-signup experience supports students, freelancers, and teams that need utility without subscription friction.
The platform is built around local-first execution, clear policy pages, and transparent product behavior. This supports stronger user trust and cleaner quality signals for search and ad policy review over time.
Expert tips, guides, and insights to help you work smarter with your files
Why do most "free online converters" force you to upload your files to their servers? We explain the privacy risks of server-side processing and how modern web apps avoid it.
Ever tried to compress a PDF only to find the new file is twice as large? Here is a technical breakdown of why this happens and how to actually shrink your documents.
AVIF usually wins on file size, but WebP can still be the better fallback. See how the two formats compare, when to use each one, and how to convert images locally without uploading them.
Everything you need to know about Filemint's free online tools
Have more questions? Contact our support team