HEVC to ICO Converter

Making a Windows Icon from an H.265 Clip: What This Covers

This page does not make an animated icon. It pulls a single still frame out of your HEVC clip and writes it into an ICO, the Windows icon container, at one of nine preset sizes from 256 pixels down to 16. That is genuinely useful when the artwork you want already exists inside a video — a logo sting, a title card, a product shot on screen — and useless when you were hoping the icon would move. This walk-through covers picking the right frame, choosing a size, and the one behaviour that surprises almost everyone: the preset sets the icon's height and the width follows the frame's aspect ratio, so a widescreen frame produces a wide icon rather than a square one — at the largest presets, wider than the ICO format can honestly record.

How to Convert HEVC to ICO

1. Upload Your HEVC File: Drag your .hevc onto the page or click "+ Add Files" to browse. Several clips can be queued and processed with the same settings in one pass.
2. Pick the Icon Size: Open Advanced Options. Image resolution offers a single mode here, Preset Resolutions, whose dropdown lists 256P, 192P, 180P, 128P, 64P, 48P, 32P, 24P and 16P — 256 is the largest an ICO entry can be.
3. Choose the Frame: Under Frame Selection, Specific Frame is preselected with Time (seconds) set to 0, which grabs the very first frame. Type any other timestamp — 2.100 means 2 seconds and 100 milliseconds — or switch to Multiple Screenshots, whose Capture Rate dropdown starts at "1 second per frame".
4. Convert and Download: Click "Convert" and save the .ico. Your file is uploaded over an encrypted connection, converted on our servers, and deleted automatically a few hours later. No sign-up, no watermark.

Walk-through: The Frame, the Size, and the Aspect-Ratio Catch

Two settings decide whether the icon is usable, and one unadvertised behaviour decides whether it is the shape you expected.

• The timestamp is doing more work than you think. The starting value of 0 grabs frame one, which on most recordings is a fade-in, a black slate, or a motion-blurred first moment. Play the clip somewhere first, note the second the graphic is cleanly on screen, and type that number into Time (seconds). If you genuinely do not know, run Multiple Screenshots at one frame per second and keep whichever result looks best.
• The size list is the whole sizing story. We checked this page's own option set: Image resolution exposes nothing but the Preset dropdown — no width and height boxes, no "keep original" — because an ICO entry cannot exceed 256 × 256 anyway. Pick 256P if you want the most detail available, 32P or 48P if you know exactly where the icon will be shown.
• The preset sets the height, not the longest edge. This is the part that catches people out. The converter scales the frame so its height matches the preset and lets the width follow the source aspect ratio — nothing is cropped and no bars are added. A 1920 × 1080 frame at 256P therefore comes out 455 × 256, and because an ICO entry cannot declare a dimension above 256, a widescreen icon written at 256P or 192P is wider than the format can honestly describe — many readers misinterpret the file. For a widescreen frame, either pick 128P or smaller (a 16:9 frame at 128P is 228 × 128, safely inside the limit) or square the frame first.

If you need a genuinely square icon, square the picture before it becomes an icon: export the frame at full resolution with HEVC to PNG, square it with the PNG cropper, then run PNG to ICO. That is three steps instead of one, and it is the only way to control the composition rather than accepting whatever the frame's aspect ratio gives you.

What a 16:9 Frame Becomes at Each Preset

The two presets left out of the table, 180P and 24P, behave the same way — the height lands on the preset number and the width follows the source ratio, rounded to whole pixels. Rows marked "exceeds the ICO limit" come out wider than the 256-pixel ceiling an icon directory can record, so treat 128P as the practical maximum for widescreen material unless you crop square first.

The ICO Format at a Glance

Common Errors and How to Fix Them

• "My icon is not square" — Working as designed. The preset sets the height and the width follows the source's aspect ratio, so a 16:9 frame at 256P is 455 × 256. Crop the picture square before it becomes an icon, using the PNG route described above.
• "It captured a black or blurry frame" — Time (seconds) starts at 0, and the first frame of a recording is very often a fade-in or a motion-blurred moment. Set the timestamp to the exact second the subject is fully on screen.
• "The icon is an unreadable blur at small sizes" — A photographic video frame carries far more detail than 32 or 16 pixels can represent. Choose a frame with one bold, high-contrast subject, and use a larger preset where the interface allows it.
• "I wanted the icon to animate" — ICO holds still images only. For motion, convert the clip to an animated GIF instead.
• "I just wanted a still, not an icon" — Use HEVC to PNG or HEVC to JPG for a full-resolution frame with no 256-pixel ceiling.
• "Nothing came out at all" — If the upload was a bare H.265 elementary stream cut mid-GOP, the decoder may not find a decodable frame at the timestamp you asked for. Try timestamp 0, or a second or two later.

When This Doesn't Work

A video frame is rarely the best source for an icon in the first place. Icons have to read at 16 pixels, which rewards flat shapes and hard contrast, and a frame from a real recording has neither — it is photographic, evenly lit, and full of detail that vanishes on the way down. If the artwork exists anywhere as a proper logo file, start from that instead with PNG to ICO, which keeps your own composition all the way up to the 256-pixel limit. This page also writes the frame at the single size you pick rather than assembling a multi-size icon file, so a project that needs 16, 32, 48 and 256 baked into one .ico needs an icon editor or a favicon generator to combine the outputs afterwards.

Frequently Asked Questions

Does the ICO keep the video's motion or sound?

Neither. ICO is a still-image container — it holds one or more fixed pictures at different sizes and colour depths, and has no concept of a timeline or an audio track. This page extracts one frame and writes that. If motion is the point, HEVC to GIF produces an animated image instead; if you only wanted the audio, HEVC to MP3 covers that separately.

Which frame does it grab if I leave everything alone?

The frame at timestamp 0 — the very first one — because Frame Selection starts on Specific Frame with Time (seconds) set to 0. That is a deliberate, predictable default rather than a "best frame" guess, and it is exactly why it so often lands on black: recordings frequently open on a fade. Type the second you actually want into the same box, decimals included.

Why is my icon 455 × 256 instead of 256 × 256?

Because the preset sets the height and the aspect ratio of the source decides the width. The converter never crops to a square or pads with bars, so a 16:9 frame at the 256P preset is 455 pixels wide and 256 tall. That is wider than an ICO directory can declare — the format stores each entry's size in a single byte, capped at 256 — so strict readers see the file's declared size and the actual pixels disagree, and some refuse it or render it wrongly. For widescreen material either use 128P or smaller, or square the frame first.

What is the largest icon I can get out of a 4K clip?

A reliable 256 × 256 only if the frame is square (or cropped square first) — 256 has been the ICO ceiling since Windows 95, and on a widescreen frame the 256P preset produces a file wider than that ceiling, which many readers misinterpret. A 3840 × 2160 frame holds a little over eight million pixels; a 256-pixel square icon holds about sixty-five thousand. Well over ninety-nine per cent of the frame's information is discarded on the way down, which is why the choice of frame matters far more than the resolution you shot at.

What size should I use for a website favicon?

32 pixels handles most browser tabs, and 48 covers the Windows taskbar and jump lists; 16 is the historical minimum and still what some interfaces reach for. If you only make one file, 32P is the safest single choice. Bear in mind that a favicon derived from a video frame competes against logos designed for the size — the ones that read well at 32 pixels are almost always simple marks, not photographs.

Can I capture several candidate frames in one go?

Yes — switch Frame Selection to Multiple Screenshots and pick a Capture Rate, which starts at "1 second per frame" and ranges from one frame every tenth of a second up to one every ten seconds. Each captured frame becomes its own icon at the preset size you chose, so you can review a whole clip's worth of candidates and keep the one that works. On a long recording, choose a slower rate unless you want a very large number of files back.

Does the icon keep any transparency?

There is nothing to keep. Video frames are fully opaque — no video codec in common use, HEVC included, stores an alpha channel in the frames these clips carry — so the ICO is written as a solid rectangle. The format itself supports 32-bit colour with an 8-bit alpha channel and has since Windows XP, so if you need a transparent icon, start from artwork that already has an alpha channel and use PNG to ICO.

My .hevc file will not open in any player — will this still work?

Very likely, yes. Bare H.265 elementary streams routinely refuse to play in consumer players because they have no container, no timing index and no duration, but a decoder can still read the frames. That is why frame extraction usually succeeds on a file your media player rejected. If the stream is truncated or begins mid-GOP, a timestamp deep into the clip may fail while timestamp 0 works — try the start first.

How are my files handled, and how long are they kept?

Your .hevc is uploaded over an encrypted connection, the requested frame is decoded and written into an ICO on our servers, and both the upload and the output are deleted automatically a few hours later — no sign-up, no watermark, and files are never shared or made public. Extracting one frame is cheap; the slow part is uploading the video, so on a very large recording the upload is what you will be waiting for.