Upload it. Pick a destination. Get the result. Your first conversion is free, then $1 each. No subscription.
Convert a file
Your first conversion is free. After that, it’s $1 per conversion.
First conversion free · then 1 credit
FROMUnknown
→
Pick a destination. Your file is inspected locally before you spend a credit.
SUGGESTED
Recent conversions
Just enough history to keep repeat work easy.
No subscriptionBuy credit only when you need it.
Inspect firstSee what we think your file is before paying.
Your conversionDownloads stay yours. No sign-up is required for a simple conversion.
What can I convert?
Common routes are handled locally in your browser.
CSV→ XLSX
JSON→ CSV
Markdown→ PDF
Images→ WEBP
ZIP→ JSON inventory
Logs→ TXT
Anonymous analyticsHelp A4O measure traffic by hour and country. No IP address, file contents, filenames, conversion details, or account IDs are included in analytics.
PRIVACY
Anonymous analytics
Optional, first-party analytics. If you allow it, A4O records a unique anonymous visitor count for the current UTC hour and Cloudflare-provided country code. The analytics dataset does not store your IP address, files, filenames, conversion details, account ID, or raw analytics cookie.
Your choice is stored locally in this browser. You can change it here at any time.
CONVERSION CREDIT
Add credit
Buy prepaid conversion credit in Canadian dollars. Your balance is held server-side, while supported conversions stay on your device.
$
$1010 conversions
After your free first conversion, one Stripe product: Conversion Credit at CA$1.00. Checkout quantity is the number of dollars/conversions, from 1 to 100. Supported conversions run locally in your browser, so your file contents do not need to be uploaded to A4O.
🔑 Keystone Identity
Keystone: disconnected
Shared identity authority for All4One. Your conversion credits, purchases, and app data remain owned by All4One.
KEYSTONE
Keystone Connection
Manage the All4One connection to your shared Keystone identity.
Checking connection…
Legacy credit recovery
Compatibility for pre-Keystone All4One recovery codes. New recovery should use the Keystone identity controls above.
Save this code somewhere safe. It can only be claimed once.