Free tier with real monthly allowance
100 conversions/month, no card required
Convertio alternative
Looking for an alternative to Convertio?
Convertio is a polished browser-based converter with very broad format coverage and a separate developer API priced per conversion minute. Converterer is API-first: flat per-conversion pricing, webhook callbacks, your own storage as the destination, and no-code integrations for everything that should run without a browser.
At a glance
How the two services compare.
| Converterer | Convertio | |
|---|---|---|
| Pricing unit | Flat per conversion | Web plans: credits/month. API: prepaid packages at $0.10 per conversion minute |
| Free tier | 100 conversions/month, no card | Free browser widget (1 GB cap); API minutes are prepaid |
| API shape | Single POST /convert with the file and output format | POST /convert, PUT upload, poll GET /convert/:id/status |
| Authentication | HTTP Basic with your API key | API key in the JSON request body |
| SDKs | None needed: plain REST, recipes in 7 languages plus cURL | CLI tool; no official language SDKs documented |
| Job completion | Webhook callbacks | Callback URL or polling |
| Output delivery | Directly into your S3/B2/GCS/Azure bucket | Download URL from the API |
| File size limits | 1 GB per file on every plan (custom plans for larger) | Web plans 1–20 GB per file by tier; API unlimited |
| Format coverage | 300+ conversion pairs | 300+ formats incl. OCR (broader long tail) |
Pricing
What the same volume costs.
Convertio's web subscriptions and its developer API are priced separately. The API is prepaid at $0.10 per conversion minute, which adds up quickly at production volume; the web plans are cheaper but built around browser use.
| Monthly volume | Converterer | Convertio |
|---|---|---|
| 1,000 / month | $9.99 (Starter, includes 2,500) | API rate: ~$100 in prepaid minutes. Web plan: Lite $11.99/mo |
| 10,000 / month | $29.99 (Growth) | API rate: ~$1,000 in prepaid minutes. Web plan: Pro $44.99/mo |
| 50,000 / month | $99.99 (Scale) | API rate: ~$5,000 in prepaid minutes. Web plan: custom, from $54/mo |
Convertio figures from convertio.co/pricing and developers.convertio.co/api/pricing as of June 2026, assuming 1 conversion ≈ 1 credit/minute and the published $0.10/minute API rate before any volume discounts. Check their pricing pages for current numbers. Converterer overage: $0.003–0.03 per extra conversion depending on plan (Volume tier: $249.99/month for 250,000).
Source: Convertio official pricing · Last verified: 23 July 2026
What Converterer brings
Features worth comparing.
Direct REST API
POST a file, get a task id, fetch result from your storage
SDK-free integration
Code recipes in 7 languages plus cURL, no SDK install
Webhook callbacks
Get notified when a job finishes, no polling
No-code workflows
Zapier, Make, n8n, Power Automate, Workato
Both file conversion and website-to-PDF
Two APIs under one account
Bring your own storage
S3, B2, GCS, Azure Blob, files land directly in your bucket
Transparent pricing
Public per-month plans from $9.99, no quotes, cancel anytime
Migration
Moving an integration across.
Convertio's API passes the key in the JSON body and splits a conversion across a create call, an upload, and a status poll. On Converterer that becomes one HTTP Basic multipart request, and instead of polling you can take a webhook and read the output from your own bucket.
# Convertio: POST /convert (apikey in body) → PUT upload → poll status → download # Converterer: one request, then a webhook (or fetch from your bucket) curl -u "$CONVERTERER_API_KEY:" \ https://api.converterer.com/convert \ -F input=@photo.heic \ -F output_format=jpg # → {"id":"9f1a8e7c-…", "status":"queued"} - result lands in your storage
Honest take
When Convertio is the better fit.
- You convert manually in the browser: Convertio's web UX is excellent, and the annual web plans are cheap for a person clicking through files.
- You need OCR as part of conversion.
- You need a rare format pair: Convertio advertises 300+ formats and tens of thousands of conversion combinations.
- You like prepaid API credit that never expires rather than a monthly subscription.
Next steps
Try it before you commit.
No card. 100 free conversions per month is enough to validate against your real workload.
Comparing other providers? CloudConvert · FreeConvert · Zamzar
Popular conversions
Jump straight to a conversion pair.
Ready to test it?
Start converting files in minutes.
Get into the API docs, grab a code recipe in your language, or wire up a no-code workflow. The free tier is enough to test against your real files.