Cherry Converter

Documents / Vaccine

Compress a vaccination certificate

Travel and campus forms. Default cap 300 KB — type a higher size if the QR must stay sharp.

Last checked: September 2026. Confirm millimetres, pixels, and KB on the official form. Not a government website.

File cap
300 KB
Format
PDF
Input
PDF or page photos
Pages
Rebuilt in drop order

  1. 01

    Drop a PDF

    Or photos of pages, in order.

  2. 02

    Preset applied

    Default cap 300 KB. Type another size if the form differs.

  3. 03

    Download

    The new PDF is saved from this tab. Nothing is uploaded.

COVID / vaccination certificates. Many travel forms want a small JPEG or PDF.

Upload

Drop a PDF or photos of pages

Born-digital PDFs keep selectable text when they already fit the cap. Scans rebuild as JPEG.

Choose files

Type 2 and pick MB, or type 2mb / 50kb in the box. The file will come out at or under that size.

Output will be 300 KB or smaller.

01

Drop

Drop the file. It stays in this browser tab.

02

Preset applied

Set the cap or preset for this job.

03

Download

Download from this device. Nothing is uploaded.

FAQ

Questions, answered

QR code?Open

If a scanner fails, raise the cap to 500 KB so the QR stays sharp.

Related systems

Continue in the suite

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Compress Medical Certificate

Visa medicals, job fitness letters, and lab reports. Default cap 1 MB.

02 / convert

Compress Passport Scan

Visa, KYC, and university portals. Keep MRZ readable — default 500 KB.

03 / convert

Compress PDF to 500KB

KYC and university forms often cap a file at 500 KB. Drop a PDF or page photos. This tab rebuilds a PDF at or under 500 KB.