Free tool
Resize an image to under 20 KB.
To get a photo or signature under 20 KB, keep the pixels the form asks for and let the JPEG quality come down: this tool does exactly that, then checks the finished file. 20 KB is the limit on the IBPS PO and Clerk 2026 signature, the SBI PO and Clerk 2026 signature, the SSC CGL and MTS signature, the SSC CHSL 2026 signature, and the PAN card (Form 93) photo. Nothing is uploaded.
Updated 3 October 2026
Runs in your browser. Your files are never uploaded.
Your file appears here, checked against the spec.
Several files, or a whole form? Tell Sochen “Resize my photo and signature to under 20 KB and check them” and it does every step, checks each against the notification, and still keeps your files on your device.
Try Sochen free →Who asks for 20 KB
- IBPS PO/MT and Clerk (2026), signature: 10–20 KB, 140×60 px. Black ink on white paper, not in capital letters.
- SBI PO and Clerk (2026), signature: 10–20 KB, 140×60 px. Black ink on white paper, not in capital letters.
- SSC CGL and MTS (2025–26), signature: 10–20 KB. JPEG, and the signature should fill at least 80% of its box.
- SSC CHSL 2026, signature: 10–20 KB, 6×2 cm, 150 DPI (preset; the notice gives none). JPEG or JPG, 10 to 20 KB, about 6.0 cm wide by 2.0 cm high. Blurred or miniature signatures are rejected. The notice gives no DPI or pixels; at 150 DPI, 6×2 cm is about 354×118 px.
- PAN card (Form 93), photo: up to 20 KB, 2.5×3.5 cm, 200 DPI. Colour JPEG, 200 DPI.
20 KB is also the minimum for the IBPS PO and Clerk 2026 photo, the IBPS PO and Clerk 2026 left thumb impression, the SBI PO and Clerk 2026 photo, the SBI PO and Clerk 2026 left thumb impression, the UPSC CSE 2026 photo, the UPSC CSE 2026 signature (three times), and the UPSC CSE 2026 photo ID (only without Aadhaar): the tool pads a smaller file up to it without changing the picture.
The limits are quoted from each body's own notification, read 23 September 2026; each form's page links to it. Open the form's page to have its pixels, DPI and KB band filled in together.
What fits in 20 KB
- IBPS PO and Clerk 2026 pairs this limit with 140×60 px for the signature; SBI PO and Clerk 2026 pairs this limit with 140×60 px for the signature, so that many pixels fit in 20 KB at good quality.
- A JPEG's size depends on how many pixels it has and how much detail is in them. Fewer pixels, a plain background and even light all make a smaller file; a busy background and shadows are detail the file has to spend bytes on.
- With a width and height entered, the pixels are kept and only the quality drops, down to the point where the tool warns you. With them blank, the picture is shrunk until it fits at a quality that still looks good.
- Signatures and documents compress best after “trim to the ink and whiten the paper”: white paper is almost free in a JPEG.
Questions
Is 20 KB 20,000 bytes or 20,480 bytes?+
Portals don't say, so the tool meets a maximum as 20,000 bytes with a little room to spare, which passes either reading, and meets a minimum as 1,024-byte KB.
Does it make the picture smaller in pixels?+
Only if you leave the width and height blank: then it shrinks the picture until the file fits at a quality that still looks good. With a width and height entered, the pixels are kept exactly and only the JPEG quality comes down.
Why was my file made bigger?+
Some forms set a minimum as well as a maximum, such as the IBPS PO and Clerk 2026 photo and the IBPS PO and Clerk 2026 left thumb impression. If the picture comes out under the minimum at full quality, the tool pads the file up to it without changing the picture, and says so.
Is my photo uploaded anywhere?+
No. The file is resized in your browser and stays on your device; nothing is sent to Sochen or anyone else.