File conversion platform
A single REST API that handles 100+ formats across documents, images, audio, and video.
4.5M+ files converted · running since 2018
# Submit a conversion, get an ID back instantly.
curl -u "$CONVERTERER_API_KEY:" \
https://api.converterer.com/convert \
-F input=@clip.mp4 \
-F output_format=gif
# → {"id":"9f1a8e7c-1b9b", "status":"queued"}
clip.gif ✓ delivered to your bucketFeatures
Convert files into the formats you need with one API call. No SDK install, no local dependencies, no per-format pricing. Just upload, convert, fetch the result from your storage.
Integrate conversion into apps, websites, and backend systems with a clean, predictable API surface.
const res = await fetch('https://api.converterer.com/convert', {
method: 'POST', headers: auth, body: form,
});
// → { id: '9f1a8e7c-…', status: 'queued' }Convert between hundreds of file formats, including PDF, DOCX, JPG, PNG, MP3, MP4, and more.
Most document and image jobs complete in under a second, with heavier media still staying workflow-friendly.
Files are encrypted in transit, processed in isolated infrastructure, and automatically deleted after conversion.
No SDK, no local binaries, no self-hosting. Call the REST API directly or wire it into a no-code platform.
Render any URL to a high-fidelity PDF or image, built on headless Chromium for accurate output across invoices, reports, screenshots, and archival workflows.
Quick example
# Submit a conversion, get an ID back instantly.
curl -u "$CONVERTERER_API_KEY:" \
https://api.converterer.com/convert \
-F input=@clip.mp4 \
-F output_format=gif
# → {"id":"9f1a8e7c-1b9b-4f0a-9d2c-1a2b3c4d5e6f", "status":"queued"}
# Result lands at <your-destination>/<id>.gif when done.
# Subscribe to a webhook to be notified the moment it's ready.// Submit a conversion, get an ID back instantly.
import { readFile } from 'node:fs/promises';
const form = new FormData();
form.set('input', new Blob([await readFile('clip.mp4')]), 'clip.mp4');
form.set('output_format', 'gif');
const res = await fetch('https://api.converterer.com/convert', {
method: 'POST',
headers: { Authorization: 'Basic ' + btoa(process.env.CONVERTERER_API_KEY + ':') },
body: form,
});
console.log(await res.json()); // { id: '9f1a8e7c-…', status: 'queued' }# Submit a conversion, get an ID back instantly.
import os, requests
resp = requests.post(
"https://api.converterer.com/convert",
auth=(os.environ["CONVERTERER_API_KEY"], ""),
files={"input": open("clip.mp4", "rb")},
data={"output_format": "gif"},
)
print(resp.json()) # {"id": "9f1a8e7c-…", "status": "queued"}Who it is for
Integrate conversion into apps, internal tools, or backend jobs with a clean REST API and code recipes in 7 languages plus cURL.
Drop conversion into Zapier, Make, n8n, Power Automate, and broader automation systems without rebuilding your stack.
Platform
Convert documents, images, audio, and video between 100+ format pairs. PDF to DOCX, JPG to WebP, MP4 to GIF, and more.
Render any URL to a high-fidelity PDF or image, built on headless Chromium for accurate output across invoices, reports, screenshots, and archival workflows.
Implementation paths
REST API with code samples for Python, Node.js, PHP, Laravel, Ruby, Go, Java, and plain cURL.
Drop conversion and capture into Zapier, Make, n8n, Power Automate, or Workato flows.
Render any URL to a high-fidelity PDF or image through the same account and API.
Popular conversions
DOCX → PDF
Convert Microsoft Word documents to PDF format for universal compatibility and professional document sharing.
PDF → PNG
Convert PDF pages to PNG images for high-quality visuals and easy sharing.
JPG → WEBP
Convert JPG images to modern WebP format for faster loading times and better compression without losing quality.
HEIC → JPG
Convert iPhone HEIC photos to JPG format for universal compatibility across all devices and platforms.
PNG → JPG
Convert PNG images to JPG format for smaller file sizes and wider compatibility across platforms.
MP4 → GIF
Convert MP4 videos into animated GIFs for social sharing, docs, and lightweight previews.
MP4 → MP3
Extract audio from MP4 video files and save as MP3. Ideal for creating audio files from video content.
MOV → MP4
Convert Apple QuickTime MOV videos to MP4 format for better compatibility across devices and platforms.
XLSX → CSV
Convert Excel spreadsheets to CSV format for data import/export and compatibility with various applications.
Browse by format
Explore conversions into and out of PDF, plus related implementation paths.
MP4
Explore conversions into and out of MP4, plus related implementation paths.
JPG
Explore conversions into and out of JPG, plus related implementation paths.
PNG
Explore conversions into and out of PNG, plus related implementation paths.
DOCX
Explore conversions into and out of DOCX, plus related implementation paths.
XLSX
Explore conversions into and out of XLSX, plus related implementation paths.
WEBP
Explore conversions into and out of WebP, plus related implementation paths.
AVI
Explore conversions into and out of AVI, plus related implementation paths.
MKV
Explore conversions into and out of MKV, plus related implementation paths.
By category
JPG, PNG, WebP, AVIF, TIFF, HEIC, ICO, and more.
MP4, AVI, MKV, WebM, MOV, WMV, FLV, MPEG, and more.
PDF, DOC, DOCX, XLSX, XLS, CSV, PPTX, and more.
Proof
One of our developers found it originally and we tried a bunch, many of which were clunky and lacking features. Your offering was simple, nice and clean dashboard, and fit the exact need.
The best solution for rendering HTML/CSS/JS into PDF files. Trustworthy platform, good price and excellent support.
FAQ
Converterer supports 100+ conversion pairs across documents, images, audio, and video, including PDF, DOCX, JPG, WebP, MP4, MP3, and many more.
Yes. The free plan includes 1,000 conversions per month with no credit card required. Create an account, grab an API key, and start converting via the API or your automation platform.
Most document and image conversions complete in under a second. Audio and video conversions depend on file length and target format, but typically finish in a few seconds.
All files are transmitted over TLS. Uploaded files are processed on isolated infrastructure and automatically deleted after conversion. We do not store, inspect, or use your files for any purpose other than completing the requested conversion.
Yes. Zapier, Make, and n8n integration pages show how to put conversion into wider automation flows without building everything from scratch.
Converterer offers a generous free tier for testing and low-volume use, with paid plans based on conversion volume. See the pricing page for current plans and limits.
Trust
A few things that matter when you're putting file conversion on the critical path of your product or workflow.
Converterer is the rebrand of Paperplane, which has been running as a paid file-conversion service since 2018. The same team and underlying engine.
Conversions land directly in your S3, B2, GCS, or Azure bucket. We don't hold output files on our infrastructure beyond what's needed to deliver the job.
TLS for every request. Uploaded inputs are deleted after processing, not stored, not inspected, not used for AI training, not sold.
Operated by Dee Bee Vee Pty Ltd (ABN 53 642 651 590), registered in Victoria. One contact inbox, real humans, usually ~1 business day or sooner.
Ready to test it?
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.