Free, no sign-up. Your files never leave your device.
Popular:
Drop files here
Drop any file and we'll suggest the right tool.
Processed right in your browser. Files are never uploaded.
Select a tool on the left to get started, or drop a file above for suggestions.
The office tasks you do most — right in your browser, and your files never leave your device.
Edit PDF
Click a line and edit it like in Word. FileCustom matches the original font, size, bold and italic, so your changes blend in seamlessly.
Sign & stamp
Snap your paper stamp and signature with your phone. FileCustom removes the background so you can drag them into place — it looks like the real thing.
Convert
Turn quotes and contracts from PDF into Word to keep editing: ruled tables, merged cells, bold and italic text and images are rebuilt where they belong.
Images
AI background removal runs on your own device: product shots, portraits, stamps or signatures come out transparent in one click.
Word & Excel
Open .xlsx files and edit them with over 140 functions. Formulas come with suggestions as you type, and DOCSO spells out amounts in Vietnamese.
Safe, private and transparent about how your files are handled.
Our tools run right in your browser. Your files are never uploaded to any server, so there is nothing to leak.
Every connection to FileCustom goes over HTTPS, using TLS 1.3 on modern browsers, keeping your data safe in transit.
Only the AI PDF tools send the text extracted from a PDF (never the file itself), only after you agree, and the content is not stored.
Built on the data-minimisation principles of the GDPR and Vietnam's Personal Data Protection Law: we only process what is truly needed.
Nothing to install. Computer, phone or tablet: all you need is a browser.
Pages load fast from the Cloudflare server nearest to you, with built-in DDoS protection.
