There are two different things people mean by "fireworks text background": fireworks bursting behind a message on someone's screen, and a still fireworks image used as a backdrop for a text box in a design. This guide covers both — plus the version where the text itself is made of fireworks.
On iPhone this is a screen effect: the message arrives, and fireworks fill the whole background behind the conversation. Press and hold the send arrow → Screen tab → swipe to Fireworks → send. The same menu holds balloons, confetti, lasers and a shooting star, which is the answer to "how to add balloons or fireworks to a text". Step-by-step screenshots: iPhone fireworks text guide.
Two limits worth knowing: it needs iMessage on both ends (Android friends see nothing), and iPhone text backgrounds are temporary — the fireworks play once, then the chat looks normal again.
For a card, a story or a thumbnail you want a still image: dark night sky, bursts of light, and a clean empty area in the middle where the text box sits. Rules that make a firework text box readable:
A background is passive — the fireworks are behind, your words just sit on top. The alternative is to let the fireworks become the words: each letter launches as a rocket, explodes, and the sparks settle into the letter's shape until the whole message glows.
The free Text Fireworks maker renders that as a video (MP4 or GIF), with real firework sound, in 16:9, 9:16 or 1:1, up to 4K — no watermark and no sign-up. Because it's a video file, it plays anywhere: iPhone, Android, WhatsApp, TikTok, or as a looping background on a party screen.
How do I send a text with fireworks in the background? iPhone: hold send → Screen → Fireworks. Any phone: attach a fireworks video — see every method compared.
Can I change my iPhone text background permanently to fireworks? Not the conversation background — the effect is a one-time animation. You can set a fireworks photo as your phone wallpaper instead.
What size should a fireworks background be? 1920×1080 for screens and YouTube, 1080×1920 for stories and TikTok — the sizing rules are in 9:16 or 16:9?