Free file converter with 200+ formats. Email warmup from $19/month. API from $0.0020/call — cheaper than every competitor. No KYC, no logs.
Call our API from any language. Files are processed server-side and auto-deleted after download. 1 credit = $0.0020. No rate limits on free tools.
Read API Docs →| Feature | ⚡ ZeroPhantom | CloudConvert | Zamzar | Lemwarm |
|---|---|---|---|---|
| File conversion / call | $0.0020 | $0.016–$0.08 | $0.05 | — |
| Temp mail API / call | FREE | — | — | — |
| Email warmup / month | from $19 | — | — | $29+ |
| Free browser use | Always free | ✗ | Limited | ✗ |
| No signup for free tools | ✓ | ✗ | ✗ | ✗ |
| Files auto-deleted | Instantly | After 24h | After 24h | N/A |
| Credits never expire | ✓ | ✗ | ✗ | ✗ |
200+ format pairs. PDF, DOCX, JPG, JSON, YAML. Server-side processing, auto-deleted after download.
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1 credit = $0.0020 · Converter = 1 cr/call · Temp Mail API = FREE · Crypto payments only